20573847

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{11261}}^1$

素因数の和:11303

約数の個数: 24

約数和(自身を含む): 35137440

約数和(自身を除く): 14563593

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 203, 261, 609, 1827, 11261, 33783, 78827, 101349, 236481, 326569, 709443, 979707, 2285983, 2939121, 6857949, 20573847]

約数ペア:

[(1, 20573847), (3, 6857949), (7, 2939121), (9, 2285983), (21, 979707), (29, 709443), (63, 326569), (87, 236481), (203, 101349), (261, 78827), (609, 33783), (1827, 11261)]