20702330

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^2\times {\mathrm{67}}^1$

素因数の和:191

約数の個数: 48

約数和(自身を含む): 42051744

約数和(自身を除く): 21349414

約数列:

[1, 2, 5, 10, 11, 22, 53, 55, 67, 106, 110, 134, 265, 335, 530, 583, 670, 737, 1166, 1474, 2809, 2915, 3551, 3685, 5618, 5830, 7102, 7370, 14045, 17755, 28090, 30899, 35510, 39061, 61798, 78122, 154495, 188203, 195305, 308990, 376406, 390610, 941015, 1882030, 2070233, 4140466, 10351165, 20702330]

約数ペア:

[(1, 20702330), (2, 10351165), (5, 4140466), (10, 2070233), (11, 1882030), (22, 941015), (53, 390610), (55, 376406), (67, 308990), (106, 195305), (110, 188203), (134, 154495), (265, 78122), (335, 61798), (530, 39061), (583, 35510), (670, 30899), (737, 28090), (1166, 17755), (1474, 14045), (2809, 7370), (2915, 7102), (3551, 5830), (3685, 5618)]