20739821120

素因数分解:

$2^6\times 5^1\times {\mathrm{113}}^1\times {\mathrm{573557}}^1$

素因数の和:573687

約数の個数: 56

約数和(自身を含む): 49823836344

約数和(自身を除く): 29084015224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 113, 160, 226, 320, 452, 565, 904, 1130, 1808, 2260, 3616, 4520, 7232, 9040, 18080, 36160, 573557, 1147114, 2294228, 2867785, 4588456, 5735570, 9176912, 11471140, 18353824, 22942280, 36707648, 45884560, 64811941, 91769120, 129623882, 183538240, 259247764, 324059705, 518495528, 648119410, 1036991056, 1296238820, 2073982112, 2592477640, 4147964224, 5184955280, 10369910560, 20739821120]

約数ペア:

[(1, 20739821120), (2, 10369910560), (4, 5184955280), (5, 4147964224), (8, 2592477640), (10, 2073982112), (16, 1296238820), (20, 1036991056), (32, 648119410), (40, 518495528), (64, 324059705), (80, 259247764), (113, 183538240), (160, 129623882), (226, 91769120), (320, 64811941), (452, 45884560), (565, 36707648), (904, 22942280), (1130, 18353824), (1808, 11471140), (2260, 9176912), (3616, 5735570), (4520, 4588456), (7232, 2867785), (9040, 2294228), (18080, 1147114), (36160, 573557)]