20115238

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1153}}^1$

素因数の和:1240

約数の個数: 32

約数和(自身を含む): 36060192

約数和(自身を除く): 15944954

約数列:

[1, 2, 11, 13, 22, 26, 61, 122, 143, 286, 671, 793, 1153, 1342, 1586, 2306, 8723, 12683, 14989, 17446, 25366, 29978, 70333, 140666, 164879, 329758, 773663, 914329, 1547326, 1828658, 10057619, 20115238]

約数ペア:

[(1, 20115238), (2, 10057619), (11, 1828658), (13, 1547326), (22, 914329), (26, 773663), (61, 329758), (122, 164879), (143, 140666), (286, 70333), (671, 29978), (793, 25366), (1153, 17446), (1342, 14989), (1586, 12683), (2306, 8723)]