20565656176

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{98873347}}^1$

素因数の和:98873368

約数の個数: 20

約数和(自身を含む): 42911033032

約数和(自身を除く): 22345376856

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 98873347, 197746694, 395493388, 790986776, 1285353511, 1581973552, 2570707022, 5141414044, 10282828088, 20565656176]

約数ペア:

[(1, 20565656176), (2, 10282828088), (4, 5141414044), (8, 2570707022), (13, 1581973552), (16, 1285353511), (26, 790986776), (52, 395493388), (104, 197746694), (208, 98873347)]