20155377905

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{18240161}}^1$

素因数の和:18240196

約数の個数: 16

約数和(自身を含む): 27579124944

約数和(自身を除く): 7423747039

約数列:

[1, 5, 13, 17, 65, 85, 221, 1105, 18240161, 91200805, 237122093, 310082737, 1185610465, 1550413685, 4031075581, 20155377905]

約数ペア:

[(1, 20155377905), (5, 4031075581), (13, 1550413685), (17, 1185610465), (65, 310082737), (85, 237122093), (221, 91200805), (1105, 18240161)]