20744091984

素因数分解:

$2^4\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{4919}}^1$

素因数の和:5118

約数の個数: 240

約数和(自身を含む): 68436334080

約数和(自身を除く): 47692242096

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 16, 21, 22, 24, 28, 33, 42, 44, 48, 49, 56, 66, 77, 84, 88, 98, 112, 132, 147, 154, 163, 168, 176, 196, 231, 264, 294, 308, 326, 336, 392, 462, 489, 528, 539, 588, 616, 652, 784, 924, 978, 1078, 1141, 1176, 1232, 1304, 1617, 1793, 1848, 1956, 2156, 2282, 2352, 2608, 3234, 3423, 3586, 3696, 3912, 4312, 4564, 4919, 5379, 6468, 6846, 7172, 7824, 7987, 8624, 9128, 9838, 10758, 12551, 12936, 13692, 14344, 14757, 15974, 18256, 19676, 21516, 23961, 25102, 25872, 27384, 28688, 29514, 31948, 34433, 37653, 39352, 43032, 47922, 50204, 54109, 54768, 59028, 63896, 68866, 75306, 78704, 86064, 87857, 95844, 100408, 103299, 108218, 118056, 127792, 137732, 150612, 162327, 175714, 191688, 200816, 206598, 216436, 236112, 241031, 263571, 275464, 301224, 324654, 351428, 378763, 383376, 413196, 432872, 482062, 527142, 550928, 602448, 649308, 702856, 723093, 757526, 801797, 826392, 865744, 964124, 1054284, 1136289, 1298616, 1405712, 1446186, 1515052, 1603594, 1652784, 1928248, 2108568, 2272578, 2405391, 2597232, 2651341, 2892372, 3030104, 3207188, 3856496, 4217136, 4545156, 4810782, 5302682, 5612579, 5784744, 6060208, 6414376, 7954023, 8819767, 9090312, 9621564, 10605364, 11225158, 11569488, 12828752, 15908046, 16837737, 17639534, 18180624, 19243128, 21210728, 22450316, 26459301, 31816092, 33675474, 35279068, 38486256, 39288053, 42421456, 44900632, 52918602, 61738369, 63632184, 67350948, 70558136, 78576106, 89801264, 105837204, 117864159, 123476738, 127264368, 134701896, 141116272, 157152212, 185215107, 211674408, 235728318, 246953476, 269403792, 314304424, 370430214, 423348816, 432168583, 471456636, 493906952, 628608848, 740860428, 864337166, 942913272, 987813904, 1296505749, 1481720856, 1728674332, 1885826544, 2593011498, 2963441712, 3457348664, 5186022996, 6914697328, 10372045992, 20744091984]

約数ペア:

[(1, 20744091984), (2, 10372045992), (3, 6914697328), (4, 5186022996), (6, 3457348664), (7, 2963441712), (8, 2593011498), (11, 1885826544), (12, 1728674332), (14, 1481720856), (16, 1296505749), (21, 987813904), (22, 942913272), (24, 864337166), (28, 740860428), (33, 628608848), (42, 493906952), (44, 471456636), (48, 432168583), (49, 423348816), (56, 370430214), (66, 314304424), (77, 269403792), (84, 246953476), (88, 235728318), (98, 211674408), (112, 185215107), (132, 157152212), (147, 141116272), (154, 134701896), (163, 127264368), (168, 123476738), (176, 117864159), (196, 105837204), (231, 89801264), (264, 78576106), (294, 70558136), (308, 67350948), (326, 63632184), (336, 61738369), (392, 52918602), (462, 44900632), (489, 42421456), (528, 39288053), (539, 38486256), (588, 35279068), (616, 33675474), (652, 31816092), (784, 26459301), (924, 22450316), (978, 21210728), (1078, 19243128), (1141, 18180624), (1176, 17639534), (1232, 16837737), (1304, 15908046), (1617, 12828752), (1793, 11569488), (1848, 11225158), (1956, 10605364), (2156, 9621564), (2282, 9090312), (2352, 8819767), (2608, 7954023), (3234, 6414376), (3423, 6060208), (3586, 5784744), (3696, 5612579), (3912, 5302682), (4312, 4810782), (4564, 4545156), (4919, 4217136), (5379, 3856496), (6468, 3207188), (6846, 3030104), (7172, 2892372), (7824, 2651341), (7987, 2597232), (8624, 2405391), (9128, 2272578), (9838, 2108568), (10758, 1928248), (12551, 1652784), (12936, 1603594), (13692, 1515052), (14344, 1446186), (14757, 1405712), (15974, 1298616), (18256, 1136289), (19676, 1054284), (21516, 964124), (23961, 865744), (25102, 826392), (25872, 801797), (27384, 757526), (28688, 723093), (29514, 702856), (31948, 649308), (34433, 602448), (37653, 550928), (39352, 527142), (43032, 482062), (47922, 432872), (50204, 413196), (54109, 383376), (54768, 378763), (59028, 351428), (63896, 324654), (68866, 301224), (75306, 275464), (78704, 263571), (86064, 241031), (87857, 236112), (95844, 216436), (100408, 206598), (103299, 200816), (108218, 191688), (118056, 175714), (127792, 162327), (137732, 150612)]