20486570

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{2671}}^1$

素因数の和:2750

約数の個数: 32

約数和(自身を含む): 40400640

約数和(自身を除く): 19914070

約数列:

[1, 2, 5, 10, 13, 26, 59, 65, 118, 130, 295, 590, 767, 1534, 2671, 3835, 5342, 7670, 13355, 26710, 34723, 69446, 157589, 173615, 315178, 347230, 787945, 1575890, 2048657, 4097314, 10243285, 20486570]

約数ペア:

[(1, 20486570), (2, 10243285), (5, 4097314), (10, 2048657), (13, 1575890), (26, 787945), (59, 347230), (65, 315178), (118, 173615), (130, 157589), (295, 69446), (590, 34723), (767, 26710), (1534, 13355), (2671, 7670), (3835, 5342)]