20881024

素因数分解:

$2^7\times {\mathrm{37}}^1\times {\mathrm{4409}}^1$

素因数の和:4460

約数の個数: 32

約数和(自身を含む): 42732900

約数和(自身を除く): 21851876

約数列:

[1, 2, 4, 8, 16, 32, 37, 64, 74, 128, 148, 296, 592, 1184, 2368, 4409, 4736, 8818, 17636, 35272, 70544, 141088, 163133, 282176, 326266, 564352, 652532, 1305064, 2610128, 5220256, 10440512, 20881024]

約数ペア:

[(1, 20881024), (2, 10440512), (4, 5220256), (8, 2610128), (16, 1305064), (32, 652532), (37, 564352), (64, 326266), (74, 282176), (128, 163133), (148, 141088), (296, 70544), (592, 35272), (1184, 17636), (2368, 8818), (4409, 4736)]