2020668460

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{21419}}^1$

素因数の和:21570

約数の個数: 48

約数和(自身を含む): 4372250400

約数和(自身を除く): 2351581940

約数列:

[1, 2, 4, 5, 10, 20, 53, 89, 106, 178, 212, 265, 356, 445, 530, 890, 1060, 1780, 4717, 9434, 18868, 21419, 23585, 42838, 47170, 85676, 94340, 107095, 214190, 428380, 1135207, 1906291, 2270414, 3812582, 4540828, 5676035, 7625164, 9531455, 11352070, 19062910, 22704140, 38125820, 101033423, 202066846, 404133692, 505167115, 1010334230, 2020668460]

約数ペア:

[(1, 2020668460), (2, 1010334230), (4, 505167115), (5, 404133692), (10, 202066846), (20, 101033423), (53, 38125820), (89, 22704140), (106, 19062910), (178, 11352070), (212, 9531455), (265, 7625164), (356, 5676035), (445, 4540828), (530, 3812582), (890, 2270414), (1060, 1906291), (1780, 1135207), (4717, 428380), (9434, 214190), (18868, 107095), (21419, 94340), (23585, 85676), (42838, 47170)]