20808073431

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{2963}}^1\times {\mathrm{21089}}^1$

素因数の和:24095

約数の個数: 24

約数和(自身を含む): 30880315440

約数和(自身を除く): 10072242009

約数列:

[1, 3, 9, 37, 111, 333, 2963, 8889, 21089, 26667, 63267, 109631, 189801, 328893, 780293, 986679, 2340879, 7022637, 62486707, 187460121, 562380363, 2312008159, 6936024477, 20808073431]

約数ペア:

[(1, 20808073431), (3, 6936024477), (9, 2312008159), (37, 562380363), (111, 187460121), (333, 62486707), (2963, 7022637), (8889, 2340879), (21089, 986679), (26667, 780293), (63267, 328893), (109631, 189801)]