20796870460

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{28103879}}^1$

素因数の和:28103925

約数の個数: 24

約数和(自身を含む): 44853792480

約数和(自身を除く): 24056922020

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 28103879, 56207758, 112415516, 140519395, 281038790, 562077580, 1039843523, 2079687046, 4159374092, 5199217615, 10398435230, 20796870460]

約数ペア:

[(1, 20796870460), (2, 10398435230), (4, 5199217615), (5, 4159374092), (10, 2079687046), (20, 1039843523), (37, 562077580), (74, 281038790), (148, 140519395), (185, 112415516), (370, 56207758), (740, 28103879)]