20174861584

素因数分解:

$2^4\times {\mathrm{709}}^1\times {\mathrm{1778461}}^1$

素因数の和:1779178

約数の個数: 20

約数和(自身を含む): 39143948620

約数和(自身を除く): 18969087036

約数列:

[1, 2, 4, 8, 16, 709, 1418, 2836, 5672, 11344, 1778461, 3556922, 7113844, 14227688, 28455376, 1260928849, 2521857698, 5043715396, 10087430792, 20174861584]

約数ペア:

[(1, 20174861584), (2, 10087430792), (4, 5043715396), (8, 2521857698), (16, 1260928849), (709, 28455376), (1418, 14227688), (2836, 7113844), (5672, 3556922), (11344, 1778461)]