20171890432

素因数分解:

$2^8\times {\mathrm{59}}^1\times {\mathrm{1335533}}^1$

素因数の和:1335608

約数の個数: 36

約数和(自身を含む): 40947472440

約数和(自身を除く): 20775582008

約数列:

[1, 2, 4, 8, 16, 32, 59, 64, 118, 128, 236, 256, 472, 944, 1888, 3776, 7552, 15104, 1335533, 2671066, 5342132, 10684264, 21368528, 42737056, 78796447, 85474112, 157592894, 170948224, 315185788, 341896448, 630371576, 1260743152, 2521486304, 5042972608, 10085945216, 20171890432]

約数ペア:

[(1, 20171890432), (2, 10085945216), (4, 5042972608), (8, 2521486304), (16, 1260743152), (32, 630371576), (59, 341896448), (64, 315185788), (118, 170948224), (128, 157592894), (236, 85474112), (256, 78796447), (472, 42737056), (944, 21368528), (1888, 10684264), (3776, 5342132), (7552, 2671066), (15104, 1335533)]