20879043

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{743}}^1$

素因数の和:811

約数の個数: 32

約数和(自身を含む): 32140800

約数和(自身を除く): 11261757

約数列:

[1, 3, 17, 19, 29, 51, 57, 87, 323, 493, 551, 743, 969, 1479, 1653, 2229, 9367, 12631, 14117, 21547, 28101, 37893, 42351, 64641, 239989, 366299, 409393, 719967, 1098897, 1228179, 6959681, 20879043]

約数ペア:

[(1, 20879043), (3, 6959681), (17, 1228179), (19, 1098897), (29, 719967), (51, 409393), (57, 366299), (87, 239989), (323, 64641), (493, 42351), (551, 37893), (743, 28101), (969, 21547), (1479, 14117), (1653, 12631), (2229, 9367)]