20121931678

素因数分解:

$2^1\times {\mathrm{257}}^1\times {\mathrm{3517}}^1\times {\mathrm{11131}}^1$

素因数の和:14907

約数の個数: 16

約数和(自身を含む): 30311679024

約数和(自身を除く): 10189747346

約数列:

[1, 2, 257, 514, 3517, 7034, 11131, 22262, 903869, 1807738, 2860667, 5721334, 39147727, 78295454, 10060965839, 20121931678]

約数ペア:

[(1, 20121931678), (2, 10060965839), (257, 78295454), (514, 39147727), (3517, 5721334), (7034, 2860667), (11131, 1807738), (22262, 903869)]