20898173656

素因数分解:

$2^3\times {\mathrm{251}}^1\times {\mathrm{10407457}}^1$

素因数の和:10407714

約数の個数: 16

約数和(自身を含む): 39340191240

約数和(自身を除く): 18442017584

約数列:

[1, 2, 4, 8, 251, 502, 1004, 2008, 10407457, 20814914, 41629828, 83259656, 2612271707, 5224543414, 10449086828, 20898173656]

約数ペア:

[(1, 20898173656), (2, 10449086828), (4, 5224543414), (8, 2612271707), (251, 83259656), (502, 41629828), (1004, 20814914), (2008, 10407457)]