20810176

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{617}}^1$

素因数の和:677

約数の個数: 56

約数和(自身を含む): 45207936

約数和(自身を除く): 24397760

約数列:

[1, 2, 4, 8, 16, 17, 31, 32, 34, 62, 64, 68, 124, 136, 248, 272, 496, 527, 544, 617, 992, 1054, 1088, 1234, 1984, 2108, 2468, 4216, 4936, 8432, 9872, 10489, 16864, 19127, 19744, 20978, 33728, 38254, 39488, 41956, 76508, 83912, 153016, 167824, 306032, 325159, 335648, 612064, 650318, 671296, 1224128, 1300636, 2601272, 5202544, 10405088, 20810176]

約数ペア:

[(1, 20810176), (2, 10405088), (4, 5202544), (8, 2601272), (16, 1300636), (17, 1224128), (31, 671296), (32, 650318), (34, 612064), (62, 335648), (64, 325159), (68, 306032), (124, 167824), (136, 153016), (248, 83912), (272, 76508), (496, 41956), (527, 39488), (544, 38254), (617, 33728), (992, 20978), (1054, 19744), (1088, 19127), (1234, 16864), (1984, 10489), (2108, 9872), (2468, 8432), (4216, 4936)]