20636512

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{439}}^1$

素因数の和:575

約数の個数: 48

約数和(自身を含む): 44241120

約数和(自身を除く): 23604608

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 113, 208, 226, 416, 439, 452, 878, 904, 1469, 1756, 1808, 2938, 3512, 3616, 5707, 5876, 7024, 11414, 11752, 14048, 22828, 23504, 45656, 47008, 49607, 91312, 99214, 182624, 198428, 396856, 644891, 793712, 1289782, 1587424, 2579564, 5159128, 10318256, 20636512]

約数ペア:

[(1, 20636512), (2, 10318256), (4, 5159128), (8, 2579564), (13, 1587424), (16, 1289782), (26, 793712), (32, 644891), (52, 396856), (104, 198428), (113, 182624), (208, 99214), (226, 91312), (416, 49607), (439, 47008), (452, 45656), (878, 23504), (904, 22828), (1469, 14048), (1756, 11752), (1808, 11414), (2938, 7024), (3512, 5876), (3616, 5707)]