20543172

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{131687}}^1$

素因数の和:131707

約数の個数: 24

約数和(自身を含む): 51621696

約数和(自身を除く): 31078524

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 131687, 263374, 395061, 526748, 790122, 1580244, 1711931, 3423862, 5135793, 6847724, 10271586, 20543172]

約数ペア:

[(1, 20543172), (2, 10271586), (3, 6847724), (4, 5135793), (6, 3423862), (12, 1711931), (13, 1580244), (26, 790122), (39, 526748), (52, 395061), (78, 263374), (156, 131687)]