20798168830

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{90426821}}^1$

素因数の和:90426851

約数の個数: 16

約数和(自身を含む): 39064387104

約数和(自身を除く): 18266218274

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 90426821, 180853642, 452134105, 904268210, 2079816883, 4159633766, 10399084415, 20798168830]

約数ペア:

[(1, 20798168830), (2, 10399084415), (5, 4159633766), (10, 2079816883), (23, 904268210), (46, 452134105), (115, 180853642), (230, 90426821)]