20918077

素因数分解:

${\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{241}}^1$

素因数の和:384

約数の個数: 16

約数和(自身を含む): 22564080

約数和(自身を除く): 1646003

約数列:

[1, 29, 41, 73, 241, 1189, 2117, 2993, 6989, 9881, 17593, 86797, 286549, 510197, 721313, 20918077]

約数ペア:

[(1, 20918077), (29, 721313), (41, 510197), (73, 286549), (241, 86797), (1189, 17593), (2117, 9881), (2993, 6989)]