20195985

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{32839}}^1$

素因数の和:32888

約数の個数: 16

約数和(自身を含む): 33102720

約数和(自身を除く): 12906735

約数列:

[1, 3, 5, 15, 41, 123, 205, 615, 32839, 98517, 164195, 492585, 1346399, 4039197, 6731995, 20195985]

約数ペア:

[(1, 20195985), (3, 6731995), (5, 4039197), (15, 1346399), (41, 492585), (123, 164195), (205, 98517), (615, 32839)]