20644491

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{311}}^1$

素因数の和:459

約数の個数: 32

約数和(自身を含む): 32947200

約数和(自身を除く): 12302709

約数列:

[1, 3, 7, 21, 29, 87, 109, 203, 311, 327, 609, 763, 933, 2177, 2289, 3161, 6531, 9019, 9483, 22127, 27057, 33899, 63133, 66381, 101697, 189399, 237293, 711879, 983071, 2949213, 6881497, 20644491]

約数ペア:

[(1, 20644491), (3, 6881497), (7, 2949213), (21, 983071), (29, 711879), (87, 237293), (109, 189399), (203, 101697), (311, 66381), (327, 63133), (609, 33899), (763, 27057), (933, 22127), (2177, 9483), (2289, 9019), (3161, 6531)]