20951808

素因数分解:

$2^8\times 3^1\times {\mathrm{27281}}^1$

素因数の和:27300

約数の個数: 36

約数和(自身を含む): 55764408

約数和(自身を除く): 34812600

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 256, 384, 768, 27281, 54562, 81843, 109124, 163686, 218248, 327372, 436496, 654744, 872992, 1309488, 1745984, 2618976, 3491968, 5237952, 6983936, 10475904, 20951808]

約数ペア:

[(1, 20951808), (2, 10475904), (3, 6983936), (4, 5237952), (6, 3491968), (8, 2618976), (12, 1745984), (16, 1309488), (24, 872992), (32, 654744), (48, 436496), (64, 327372), (96, 218248), (128, 163686), (192, 109124), (256, 81843), (384, 54562), (768, 27281)]