20086016

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{2531}}^1$

素因数の和:2578

約数の個数: 36

約数和(自身を含む): 41403264

約数和(自身を除く): 21317248

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 992, 1984, 2531, 3968, 5062, 7936, 10124, 20248, 40496, 78461, 80992, 156922, 161984, 313844, 323968, 627688, 647936, 1255376, 2510752, 5021504, 10043008, 20086016]

約数ペア:

[(1, 20086016), (2, 10043008), (4, 5021504), (8, 2510752), (16, 1255376), (31, 647936), (32, 627688), (62, 323968), (64, 313844), (124, 161984), (128, 156922), (248, 80992), (256, 78461), (496, 40496), (992, 20248), (1984, 10124), (2531, 7936), (3968, 5062)]