20615663030

素因数分解:

$2^1\times 5^1\times {\mathrm{821}}^1\times {\mathrm{2511043}}^1$

素因数の和:2511871

約数の個数: 16

約数和(自身を含む): 37153407024

約数和(自身を除く): 16537743994

約数列:

[1, 2, 5, 10, 821, 1642, 4105, 8210, 2511043, 5022086, 12555215, 25110430, 2061566303, 4123132606, 10307831515, 20615663030]

約数ペア:

[(1, 20615663030), (2, 10307831515), (5, 4123132606), (10, 2061566303), (821, 25110430), (1642, 12555215), (4105, 5022086), (8210, 2511043)]