20467564

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{12697}}^1$

素因数の和:12745

約数の個数: 24

約数和(自身を含む): 39820928

約数和(自身を除く): 19353364

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 403, 806, 1612, 12697, 25394, 50788, 165061, 330122, 393607, 660244, 787214, 1574428, 5116891, 10233782, 20467564]

約数ペア:

[(1, 20467564), (2, 10233782), (4, 5116891), (13, 1574428), (26, 787214), (31, 660244), (52, 393607), (62, 330122), (124, 165061), (403, 50788), (806, 25394), (1612, 12697)]