20881856

素因数分解:

$2^6\times {\mathrm{29}}^1\times {\mathrm{11251}}^1$

素因数の和:11292

約数の個数: 28

約数和(自身を含む): 42870120

約数和(自身を除く): 21988264

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 64, 116, 232, 464, 928, 1856, 11251, 22502, 45004, 90008, 180016, 326279, 360032, 652558, 720064, 1305116, 2610232, 5220464, 10440928, 20881856]

約数ペア:

[(1, 20881856), (2, 10440928), (4, 5220464), (8, 2610232), (16, 1305116), (29, 720064), (32, 652558), (58, 360032), (64, 326279), (116, 180016), (232, 90008), (464, 45004), (928, 22502), (1856, 11251)]