20193787624

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{179}}^1$

素因数の和:479

約数の個数: 128

約数和(自身を含む): 41057280000

約数和(自身を除く): 20863492376

約数列:

[1, 2, 4, 8, 31, 43, 62, 71, 86, 124, 142, 149, 172, 179, 248, 284, 298, 344, 358, 568, 596, 716, 1192, 1333, 1432, 2201, 2666, 3053, 4402, 4619, 5332, 5549, 6106, 6407, 7697, 8804, 9238, 10579, 10664, 11098, 12212, 12709, 12814, 15394, 17608, 18476, 21158, 22196, 24424, 25418, 25628, 26671, 30788, 36952, 42316, 44392, 50836, 51256, 53342, 61576, 84632, 94643, 101672, 106684, 189286, 198617, 213368, 238607, 327949, 378572, 393979, 397234, 454897, 477214, 546487, 655898, 757144, 787958, 794468, 826801, 909794, 954428, 1092974, 1146853, 1311796, 1575916, 1588936, 1653602, 1819588, 1893641, 1908856, 2185948, 2293706, 2623592, 3151832, 3307204, 3639176, 3787282, 4371896, 4587412, 6614408, 7574564, 9174824, 14101807, 15149128, 16941097, 28203614, 33882194, 35552443, 56407228, 58702871, 67764388, 71104886, 81426563, 112814456, 117405742, 135528776, 142209772, 162853126, 234811484, 284419544, 325706252, 469622968, 651412504, 2524223453, 5048446906, 10096893812, 20193787624]

約数ペア:

[(1, 20193787624), (2, 10096893812), (4, 5048446906), (8, 2524223453), (31, 651412504), (43, 469622968), (62, 325706252), (71, 284419544), (86, 234811484), (124, 162853126), (142, 142209772), (149, 135528776), (172, 117405742), (179, 112814456), (248, 81426563), (284, 71104886), (298, 67764388), (344, 58702871), (358, 56407228), (568, 35552443), (596, 33882194), (716, 28203614), (1192, 16941097), (1333, 15149128), (1432, 14101807), (2201, 9174824), (2666, 7574564), (3053, 6614408), (4402, 4587412), (4619, 4371896), (5332, 3787282), (5549, 3639176), (6106, 3307204), (6407, 3151832), (7697, 2623592), (8804, 2293706), (9238, 2185948), (10579, 1908856), (10664, 1893641), (11098, 1819588), (12212, 1653602), (12709, 1588936), (12814, 1575916), (15394, 1311796), (17608, 1146853), (18476, 1092974), (21158, 954428), (22196, 909794), (24424, 826801), (25418, 794468), (25628, 787958), (26671, 757144), (30788, 655898), (36952, 546487), (42316, 477214), (44392, 454897), (50836, 397234), (51256, 393979), (53342, 378572), (61576, 327949), (84632, 238607), (94643, 213368), (101672, 198617), (106684, 189286)]