20187569560

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{3096253}}^1$

素因数の和:3096427

約数の個数: 32

約数和(自身を含む): 45700709040

約数和(自身を除く): 25513139480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6520, 3096253, 6192506, 12385012, 15481265, 24770024, 30962530, 61925060, 123850120, 504689239, 1009378478, 2018756956, 2523446195, 4037513912, 5046892390, 10093784780, 20187569560]

約数ペア:

[(1, 20187569560), (2, 10093784780), (4, 5046892390), (5, 4037513912), (8, 2523446195), (10, 2018756956), (20, 1009378478), (40, 504689239), (163, 123850120), (326, 61925060), (652, 30962530), (815, 24770024), (1304, 15481265), (1630, 12385012), (3260, 6192506), (6520, 3096253)]