20643273

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{11299}}^1$

素因数の和:11341

約数の個数: 24

約数和(自身を含む): 35256000

約数和(自身を除く): 14612727

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 203, 261, 609, 1827, 11299, 33897, 79093, 101691, 237279, 327671, 711837, 983013, 2293697, 2949039, 6881091, 20643273]

約数ペア:

[(1, 20643273), (3, 6881091), (7, 2949039), (9, 2293697), (21, 983013), (29, 711837), (63, 327671), (87, 237279), (203, 101691), (261, 79093), (609, 33897), (1827, 11299)]