20121550840

素因数分解:

$2^3\times 5^1\times {\mathrm{1453}}^1\times {\mathrm{346207}}^1$

素因数の和:347671

約数の個数: 32

約数和(自身を含む): 45304778880

約数和(自身を除く): 25183228040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1453, 2906, 5812, 7265, 11624, 14530, 29060, 58120, 346207, 692414, 1384828, 1731035, 2769656, 3462070, 6924140, 13848280, 503038771, 1006077542, 2012155084, 2515193855, 4024310168, 5030387710, 10060775420, 20121550840]

約数ペア:

[(1, 20121550840), (2, 10060775420), (4, 5030387710), (5, 4024310168), (8, 2515193855), (10, 2012155084), (20, 1006077542), (40, 503038771), (1453, 13848280), (2906, 6924140), (5812, 3462070), (7265, 2769656), (11624, 1731035), (14530, 1384828), (29060, 692414), (58120, 346207)]