20267776

素因数分解:

$2^8\times {\mathrm{41}}^1\times {\mathrm{1931}}^1$

素因数の和:1988

約数の個数: 36

約数和(自身を含む): 41464584

約数和(自身を除く): 21196808

約数列:

[1, 2, 4, 8, 16, 32, 41, 64, 82, 128, 164, 256, 328, 656, 1312, 1931, 2624, 3862, 5248, 7724, 10496, 15448, 30896, 61792, 79171, 123584, 158342, 247168, 316684, 494336, 633368, 1266736, 2533472, 5066944, 10133888, 20267776]

約数ペア:

[(1, 20267776), (2, 10133888), (4, 5066944), (8, 2533472), (16, 1266736), (32, 633368), (41, 494336), (64, 316684), (82, 247168), (128, 158342), (164, 123584), (256, 79171), (328, 61792), (656, 30896), (1312, 15448), (1931, 10496), (2624, 7724), (3862, 5248)]