20843810

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{719}}^1$

素因数の和:962

約数の個数: 32

約数和(自身を含む): 40642560

約数和(自身を除く): 19798750

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 223, 446, 719, 1115, 1438, 2230, 2899, 3595, 5798, 7190, 9347, 14495, 18694, 28990, 46735, 93470, 160337, 320674, 801685, 1603370, 2084381, 4168762, 10421905, 20843810]

約数ペア:

[(1, 20843810), (2, 10421905), (5, 4168762), (10, 2084381), (13, 1603370), (26, 801685), (65, 320674), (130, 160337), (223, 93470), (446, 46735), (719, 28990), (1115, 18694), (1438, 14495), (2230, 9347), (2899, 7190), (3595, 5798)]