20177246740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{3137}}^1\times {\mathrm{45943}}^1$

素因数の和:49096

約数の個数: 48

約数和(自身を含む): 48441883392

約数和(自身を除く): 28264636652

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 3137, 6274, 12548, 15685, 21959, 31370, 43918, 45943, 62740, 87836, 91886, 109795, 183772, 219590, 229715, 321601, 439180, 459430, 643202, 918860, 1286404, 1608005, 3216010, 6432020, 144123191, 288246382, 576492764, 720615955, 1008862337, 1441231910, 2017724674, 2882463820, 4035449348, 5044311685, 10088623370, 20177246740]

約数ペア:

[(1, 20177246740), (2, 10088623370), (4, 5044311685), (5, 4035449348), (7, 2882463820), (10, 2017724674), (14, 1441231910), (20, 1008862337), (28, 720615955), (35, 576492764), (70, 288246382), (140, 144123191), (3137, 6432020), (6274, 3216010), (12548, 1608005), (15685, 1286404), (21959, 918860), (31370, 643202), (43918, 459430), (45943, 439180), (62740, 321601), (87836, 229715), (91886, 219590), (109795, 183772)]