20199291040

素因数分解:

$2^5\times 5^1\times {\mathrm{2423}}^1\times {\mathrm{52103}}^1$

素因数の和:54541

約数の個数: 48

約数和(自身を含む): 47741436288

約数和(自身を除く): 27542145248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 2423, 4846, 9692, 12115, 19384, 24230, 38768, 48460, 52103, 77536, 96920, 104206, 193840, 208412, 260515, 387680, 416824, 521030, 833648, 1042060, 1667296, 2084120, 4168240, 8336480, 126245569, 252491138, 504982276, 631227845, 1009964552, 1262455690, 2019929104, 2524911380, 4039858208, 5049822760, 10099645520, 20199291040]

約数ペア:

[(1, 20199291040), (2, 10099645520), (4, 5049822760), (5, 4039858208), (8, 2524911380), (10, 2019929104), (16, 1262455690), (20, 1009964552), (32, 631227845), (40, 504982276), (80, 252491138), (160, 126245569), (2423, 8336480), (4846, 4168240), (9692, 2084120), (12115, 1667296), (19384, 1042060), (24230, 833648), (38768, 521030), (48460, 416824), (52103, 387680), (77536, 260515), (96920, 208412), (104206, 193840)]