20531710

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{853}}^1$

素因数の和:972

約数の個数: 32

約数和(自身を含む): 38737440

約数和(自身を除く): 18205730

約数列:

[1, 2, 5, 10, 29, 58, 83, 145, 166, 290, 415, 830, 853, 1706, 2407, 4265, 4814, 8530, 12035, 24070, 24737, 49474, 70799, 123685, 141598, 247370, 353995, 707990, 2053171, 4106342, 10265855, 20531710]

約数ペア:

[(1, 20531710), (2, 10265855), (5, 4106342), (10, 2053171), (29, 707990), (58, 353995), (83, 247370), (145, 141598), (166, 123685), (290, 70799), (415, 49474), (830, 24737), (853, 24070), (1706, 12035), (2407, 8530), (4265, 4814)]