20172872728

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{35515621}}^1$

素因数の和:35515698

約数の個数: 16

約数和(自身を含む): 38356871760

約数和(自身を除く): 18183999032

約数列:

[1, 2, 4, 8, 71, 142, 284, 568, 35515621, 71031242, 142062484, 284124968, 2521609091, 5043218182, 10086436364, 20172872728]

約数ペア:

[(1, 20172872728), (2, 10086436364), (4, 5043218182), (8, 2521609091), (71, 284124968), (142, 142062484), (284, 71031242), (568, 35515621)]