20173784410

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{821}}^1\times {\mathrm{189017}}^1$

素因数の和:189858

約数の個数: 32

約数和(自身を含む): 39153944592

約数和(自身を除く): 18980160182

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 821, 1642, 4105, 8210, 10673, 21346, 53365, 106730, 189017, 378034, 945085, 1890170, 2457221, 4914442, 12286105, 24572210, 155182957, 310365914, 775914785, 1551829570, 2017378441, 4034756882, 10086892205, 20173784410]

約数ペア:

[(1, 20173784410), (2, 10086892205), (5, 4034756882), (10, 2017378441), (13, 1551829570), (26, 775914785), (65, 310365914), (130, 155182957), (821, 24572210), (1642, 12286105), (4105, 4914442), (8210, 2457221), (10673, 1890170), (21346, 945085), (53365, 378034), (106730, 189017)]