20197980178

素因数分解:

$2^1\times {\mathrm{127}}^1\times {\mathrm{4357}}^1\times {\mathrm{18251}}^1$

素因数の和:22737

約数の個数: 16

約数和(自身を含む): 30544210944

約数和(自身を除く): 10346230766

約数列:

[1, 2, 127, 254, 4357, 8714, 18251, 36502, 553339, 1106678, 2317877, 4635754, 79519607, 159039214, 10098990089, 20197980178]

約数ペア:

[(1, 20197980178), (2, 10098990089), (127, 159039214), (254, 79519607), (4357, 4635754), (8714, 2317877), (18251, 1106678), (36502, 553339)]