20253664

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1201}}^1$

素因数の和:1259

約数の個数: 48

約数和(自身を含む): 43618176

約数和(自身を除く): 23364512

約数列:

[1, 2, 4, 8, 16, 17, 31, 32, 34, 62, 68, 124, 136, 248, 272, 496, 527, 544, 992, 1054, 1201, 2108, 2402, 4216, 4804, 8432, 9608, 16864, 19216, 20417, 37231, 38432, 40834, 74462, 81668, 148924, 163336, 297848, 326672, 595696, 632927, 653344, 1191392, 1265854, 2531708, 5063416, 10126832, 20253664]

約数ペア:

[(1, 20253664), (2, 10126832), (4, 5063416), (8, 2531708), (16, 1265854), (17, 1191392), (31, 653344), (32, 632927), (34, 595696), (62, 326672), (68, 297848), (124, 163336), (136, 148924), (248, 81668), (272, 74462), (496, 40834), (527, 38432), (544, 37231), (992, 20417), (1054, 19216), (1201, 16864), (2108, 9608), (2402, 8432), (4216, 4804)]