20889856

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{6277}}^1$

素因数の和:6306

約数の個数: 36

約数和(自身を含む): 44912812

約数和(自身を除く): 24022956

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 832, 1664, 3328, 6277, 12554, 25108, 50216, 81601, 100432, 163202, 200864, 326404, 401728, 652808, 803456, 1305616, 1606912, 2611232, 5222464, 10444928, 20889856]

約数ペア:

[(1, 20889856), (2, 10444928), (4, 5222464), (8, 2611232), (13, 1606912), (16, 1305616), (26, 803456), (32, 652808), (52, 401728), (64, 326404), (104, 200864), (128, 163202), (208, 100432), (256, 81601), (416, 50216), (832, 25108), (1664, 12554), (3328, 6277)]