20300288

素因数分解:

$2^9\times {\mathrm{31}}^1\times {\mathrm{1279}}^1$

素因数の和:1328

約数の個数: 40

約数和(自身を含む): 41902080

約数和(自身を除く): 21601792

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 512, 992, 1279, 1984, 2558, 3968, 5116, 7936, 10232, 15872, 20464, 39649, 40928, 79298, 81856, 158596, 163712, 317192, 327424, 634384, 654848, 1268768, 2537536, 5075072, 10150144, 20300288]

約数ペア:

[(1, 20300288), (2, 10150144), (4, 5075072), (8, 2537536), (16, 1268768), (31, 654848), (32, 634384), (62, 327424), (64, 317192), (124, 163712), (128, 158596), (248, 81856), (256, 79298), (496, 40928), (512, 39649), (992, 20464), (1279, 15872), (1984, 10232), (2558, 7936), (3968, 5116)]