20161279998

素因数分解:

$2^1\times 3^3\times {\mathrm{25951}}^1\times {\mathrm{14387}}^1$

素因数の和:40349

約数の個数: 32

約数和(自身を含む): 44807685120

約数和(自身を除く): 24646405122

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 14387, 25951, 28774, 43161, 51902, 77853, 86322, 129483, 155706, 233559, 258966, 388449, 467118, 700677, 776898, 1401354, 373357037, 746714074, 1120071111, 2240142222, 3360213333, 6720426666, 10080639999, 20161279998]

約数ペア:

[(1, 20161279998), (2, 10080639999), (3, 6720426666), (6, 3360213333), (9, 2240142222), (18, 1120071111), (27, 746714074), (54, 373357037), (14387, 1401354), (25951, 776898), (28774, 700677), (43161, 467118), (51902, 388449), (77853, 258966), (86322, 233559), (129483, 155706)]