20847216

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{33409}}^1$

素因数の和:33433

約数の個数: 40

約数和(自身を含む): 57999760

約数和(自身を除く): 37152544

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 33409, 66818, 100227, 133636, 200454, 267272, 400908, 434317, 534544, 801816, 868634, 1302951, 1603632, 1737268, 2605902, 3474536, 5211804, 6949072, 10423608, 20847216]

約数ペア:

[(1, 20847216), (2, 10423608), (3, 6949072), (4, 5211804), (6, 3474536), (8, 2605902), (12, 1737268), (13, 1603632), (16, 1302951), (24, 868634), (26, 801816), (39, 534544), (48, 434317), (52, 400908), (78, 267272), (104, 200454), (156, 133636), (208, 100227), (312, 66818), (624, 33409)]