20795930

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{821}}^1$

素因数の和:994

約数の個数: 32

約数和(自身を含む): 39949200

約数和(自身を除く): 19153270

約数列:

[1, 2, 5, 10, 17, 34, 85, 149, 170, 298, 745, 821, 1490, 1642, 2533, 4105, 5066, 8210, 12665, 13957, 25330, 27914, 69785, 122329, 139570, 244658, 611645, 1223290, 2079593, 4159186, 10397965, 20795930]

約数ペア:

[(1, 20795930), (2, 10397965), (5, 4159186), (10, 2079593), (17, 1223290), (34, 611645), (85, 244658), (149, 139570), (170, 122329), (298, 69785), (745, 27914), (821, 25330), (1490, 13957), (1642, 12665), (2533, 8210), (4105, 5066)]