20457088

素因数分解:

$2^7\times {\mathrm{71}}^1\times {\mathrm{2251}}^1$

素因数の和:2336

約数の個数: 32

約数和(自身を含む): 41346720

約数和(自身を除く): 20889632

約数列:

[1, 2, 4, 8, 16, 32, 64, 71, 128, 142, 284, 568, 1136, 2251, 2272, 4502, 4544, 9004, 9088, 18008, 36016, 72032, 144064, 159821, 288128, 319642, 639284, 1278568, 2557136, 5114272, 10228544, 20457088]

約数ペア:

[(1, 20457088), (2, 10228544), (4, 5114272), (8, 2557136), (16, 1278568), (32, 639284), (64, 319642), (71, 288128), (128, 159821), (142, 144064), (284, 72032), (568, 36016), (1136, 18008), (2251, 9088), (2272, 9004), (4502, 4544)]