20403835220

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{2377}}^1\times {\mathrm{5171}}^1$

素因数の和:7640

約数の個数: 48

約数和(自身を含む): 43390928448

約数和(自身を除く): 22987093228

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 2377, 4754, 5171, 9508, 10342, 11885, 20684, 23770, 25855, 47540, 51710, 103420, 197291, 394582, 429193, 789164, 858386, 986455, 1716772, 1972910, 2145965, 3945820, 4291930, 8583860, 12291467, 24582934, 49165868, 61457335, 122914670, 245829340, 1020191761, 2040383522, 4080767044, 5100958805, 10201917610, 20403835220]

約数ペア:

[(1, 20403835220), (2, 10201917610), (4, 5100958805), (5, 4080767044), (10, 2040383522), (20, 1020191761), (83, 245829340), (166, 122914670), (332, 61457335), (415, 49165868), (830, 24582934), (1660, 12291467), (2377, 8583860), (4754, 4291930), (5171, 3945820), (9508, 2145965), (10342, 1972910), (11885, 1716772), (20684, 986455), (23770, 858386), (25855, 789164), (47540, 429193), (51710, 394582), (103420, 197291)]