20484527

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1$

素因数の和:215

約数の個数: 32

約数和(自身を含む): 26265600

約数和(自身を除く): 5781073

約数列:

[1, 7, 19, 29, 47, 113, 133, 203, 329, 551, 791, 893, 1363, 2147, 3277, 3857, 5311, 6251, 9541, 15029, 22939, 25897, 37177, 62263, 100909, 154019, 181279, 435841, 706363, 1078133, 2926361, 20484527]

約数ペア:

[(1, 20484527), (7, 2926361), (19, 1078133), (29, 706363), (47, 435841), (113, 181279), (133, 154019), (203, 100909), (329, 62263), (551, 37177), (791, 25897), (893, 22939), (1363, 15029), (2147, 9541), (3277, 6251), (3857, 5311)]