20591571

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{6857}}^1$

素因数の和:6891

約数の個数: 32

約数和(自身を含む): 36868608

約数和(自身を除く): 16277037

約数列:

[1, 3, 7, 11, 13, 21, 33, 39, 77, 91, 143, 231, 273, 429, 1001, 3003, 6857, 20571, 47999, 75427, 89141, 143997, 226281, 267423, 527989, 623987, 980551, 1583967, 1871961, 2941653, 6863857, 20591571]

約数ペア:

[(1, 20591571), (3, 6863857), (7, 2941653), (11, 1871961), (13, 1583967), (21, 980551), (33, 623987), (39, 527989), (77, 267423), (91, 226281), (143, 143997), (231, 89141), (273, 75427), (429, 47999), (1001, 20571), (3003, 6857)]