20153674780

素因数分解:

$2^2\times 5^1\times {\mathrm{557}}^1\times {\mathrm{857}}^1\times {\mathrm{2111}}^1$

素因数の和:3534

約数の個数: 48

約数和(自身を含む): 42468281856

約数和(自身を除く): 22314607076

約数列:

[1, 2, 4, 5, 10, 20, 557, 857, 1114, 1714, 2111, 2228, 2785, 3428, 4222, 4285, 5570, 8444, 8570, 10555, 11140, 17140, 21110, 42220, 477349, 954698, 1175827, 1809127, 1909396, 2351654, 2386745, 3618254, 4703308, 4773490, 5879135, 7236508, 9045635, 9546980, 11758270, 18091270, 23516540, 36182540, 1007683739, 2015367478, 4030734956, 5038418695, 10076837390, 20153674780]

約数ペア:

[(1, 20153674780), (2, 10076837390), (4, 5038418695), (5, 4030734956), (10, 2015367478), (20, 1007683739), (557, 36182540), (857, 23516540), (1114, 18091270), (1714, 11758270), (2111, 9546980), (2228, 9045635), (2785, 7236508), (3428, 5879135), (4222, 4773490), (4285, 4703308), (5570, 3618254), (8444, 2386745), (8570, 2351654), (10555, 1909396), (11140, 1809127), (17140, 1175827), (21110, 954698), (42220, 477349)]