20161236205

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2803}}^1\times {\mathrm{6883}}^1$

素因数の和:9721

約数の個数: 32

約数和(自身を含む): 27795939840

約数和(自身を除く): 7634703635

約数列:

[1, 5, 11, 19, 55, 95, 209, 1045, 2803, 6883, 14015, 30833, 34415, 53257, 75713, 130777, 154165, 266285, 378565, 585827, 653885, 1438547, 2929135, 7192735, 19293049, 96465245, 212223539, 366567931, 1061117695, 1832839655, 4032247241, 20161236205]

約数ペア:

[(1, 20161236205), (5, 4032247241), (11, 1832839655), (19, 1061117695), (55, 366567931), (95, 212223539), (209, 96465245), (1045, 19293049), (2803, 7192735), (6883, 2929135), (14015, 1438547), (30833, 653885), (34415, 585827), (53257, 378565), (75713, 266285), (130777, 154165)]