20657029115

素因数分解:

$5^1\times {\mathrm{821}}^1\times {\mathrm{1123}}^1\times {\mathrm{4481}}^1$

素因数の和:6430

約数の個数: 16

約数和(自身を含む): 24846271776

約数和(自身を除く): 4189242661

約数列:

[1, 5, 821, 1123, 4105, 4481, 5615, 22405, 921983, 3678901, 4609915, 5032163, 18394505, 25160815, 4131405823, 20657029115]

約数ペア:

[(1, 20657029115), (5, 4131405823), (821, 25160815), (1123, 18394505), (4105, 5032163), (4481, 4609915), (5615, 3678901), (22405, 921983)]