20998536

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1$

素因数の和:183

約数の個数: 128

約数和(自身を含む): 62052480

約数和(自身を除く): 41053944

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 17, 24, 26, 34, 37, 39, 51, 52, 68, 74, 78, 102, 104, 107, 111, 136, 148, 156, 204, 214, 221, 222, 296, 312, 321, 408, 428, 442, 444, 481, 629, 642, 663, 856, 884, 888, 962, 1258, 1284, 1326, 1391, 1443, 1768, 1819, 1887, 1924, 2516, 2568, 2652, 2782, 2886, 3638, 3774, 3848, 3959, 4173, 5032, 5304, 5457, 5564, 5772, 7276, 7548, 7918, 8177, 8346, 10914, 11128, 11544, 11877, 14552, 15096, 15836, 16354, 16692, 21828, 23647, 23754, 24531, 31672, 32708, 33384, 43656, 47294, 47508, 49062, 51467, 65416, 67303, 70941, 94588, 95016, 98124, 102934, 134606, 141882, 154401, 189176, 196248, 201909, 205868, 269212, 283764, 308802, 403818, 411736, 538424, 567528, 617604, 807636, 874939, 1235208, 1615272, 1749878, 2624817, 3499756, 5249634, 6999512, 10499268, 20998536]

約数ペア:

[(1, 20998536), (2, 10499268), (3, 6999512), (4, 5249634), (6, 3499756), (8, 2624817), (12, 1749878), (13, 1615272), (17, 1235208), (24, 874939), (26, 807636), (34, 617604), (37, 567528), (39, 538424), (51, 411736), (52, 403818), (68, 308802), (74, 283764), (78, 269212), (102, 205868), (104, 201909), (107, 196248), (111, 189176), (136, 154401), (148, 141882), (156, 134606), (204, 102934), (214, 98124), (221, 95016), (222, 94588), (296, 70941), (312, 67303), (321, 65416), (408, 51467), (428, 49062), (442, 47508), (444, 47294), (481, 43656), (629, 33384), (642, 32708), (663, 31672), (856, 24531), (884, 23754), (888, 23647), (962, 21828), (1258, 16692), (1284, 16354), (1326, 15836), (1391, 15096), (1443, 14552), (1768, 11877), (1819, 11544), (1887, 11128), (1924, 10914), (2516, 8346), (2568, 8177), (2652, 7918), (2782, 7548), (2886, 7276), (3638, 5772), (3774, 5564), (3848, 5457), (3959, 5304), (4173, 5032)]