20338665

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{33071}}^1$

素因数の和:33120

約数の個数: 16

約数和(自身を含む): 33336576

約数和(自身を除く): 12997911

約数列:

[1, 3, 5, 15, 41, 123, 205, 615, 33071, 99213, 165355, 496065, 1355911, 4067733, 6779555, 20338665]

約数ペア:

[(1, 20338665), (3, 6779555), (5, 4067733), (15, 1355911), (41, 496065), (123, 165355), (205, 99213), (615, 33071)]