20315952

素因数分解:

$2^4\times 3^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{193}}^1$

素因数の和:267

約数の個数: 120

約数和(自身を含む): 61920144

約数和(自身を除く): 41604192

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 34, 36, 43, 48, 51, 68, 72, 86, 102, 129, 136, 144, 153, 172, 193, 204, 258, 272, 306, 344, 386, 387, 408, 516, 579, 612, 688, 731, 772, 774, 816, 1032, 1158, 1224, 1462, 1544, 1548, 1737, 2064, 2193, 2316, 2448, 2924, 3088, 3096, 3281, 3474, 4386, 4632, 5848, 6192, 6562, 6579, 6948, 8299, 8772, 9264, 9843, 11696, 13124, 13158, 13896, 16598, 17544, 19686, 24897, 26248, 26316, 27792, 29529, 33196, 35088, 39372, 49794, 52496, 52632, 59058, 66392, 74691, 78744, 99588, 105264, 118116, 132784, 141083, 149382, 157488, 199176, 236232, 282166, 298764, 398352, 423249, 472464, 564332, 597528, 846498, 1128664, 1195056, 1269747, 1692996, 2257328, 2539494, 3385992, 5078988, 6771984, 10157976, 20315952]

約数ペア:

[(1, 20315952), (2, 10157976), (3, 6771984), (4, 5078988), (6, 3385992), (8, 2539494), (9, 2257328), (12, 1692996), (16, 1269747), (17, 1195056), (18, 1128664), (24, 846498), (34, 597528), (36, 564332), (43, 472464), (48, 423249), (51, 398352), (68, 298764), (72, 282166), (86, 236232), (102, 199176), (129, 157488), (136, 149382), (144, 141083), (153, 132784), (172, 118116), (193, 105264), (204, 99588), (258, 78744), (272, 74691), (306, 66392), (344, 59058), (386, 52632), (387, 52496), (408, 49794), (516, 39372), (579, 35088), (612, 33196), (688, 29529), (731, 27792), (772, 26316), (774, 26248), (816, 24897), (1032, 19686), (1158, 17544), (1224, 16598), (1462, 13896), (1544, 13158), (1548, 13124), (1737, 11696), (2064, 9843), (2193, 9264), (2316, 8772), (2448, 8299), (2924, 6948), (3088, 6579), (3096, 6562), (3281, 6192), (3474, 5848), (4386, 4632)]