20527156

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{227}}^1$

素因数の和:328

約数の個数: 48

約数和(自身を含む): 40755456

約数和(自身を除く): 20228300

約数列:

[1, 2, 4, 13, 26, 37, 47, 52, 74, 94, 148, 188, 227, 454, 481, 611, 908, 962, 1222, 1739, 1924, 2444, 2951, 3478, 5902, 6956, 8399, 10669, 11804, 16798, 21338, 22607, 33596, 42676, 45214, 90428, 109187, 138697, 218374, 277394, 394753, 436748, 554788, 789506, 1579012, 5131789, 10263578, 20527156]

約数ペア:

[(1, 20527156), (2, 10263578), (4, 5131789), (13, 1579012), (26, 789506), (37, 554788), (47, 436748), (52, 394753), (74, 277394), (94, 218374), (148, 138697), (188, 109187), (227, 90428), (454, 45214), (481, 42676), (611, 33596), (908, 22607), (962, 21338), (1222, 16798), (1739, 11804), (1924, 10669), (2444, 8399), (2951, 6956), (3478, 5902)]