20178441387

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1402157}}^1$

素因数の和:1402220

約数の個数: 32

約数和(自身を含む): 32978756160

約数和(自身を除く): 12800314773

約数列:

[1, 3, 9, 13, 27, 39, 41, 117, 123, 351, 369, 533, 1107, 1599, 4797, 14391, 1402157, 4206471, 12619413, 18228041, 37858239, 54684123, 57488437, 164052369, 172465311, 492157107, 517395933, 747349681, 1552187799, 2242049043, 6726147129, 20178441387]

約数ペア:

[(1, 20178441387), (3, 6726147129), (9, 2242049043), (13, 1552187799), (27, 747349681), (39, 517395933), (41, 492157107), (117, 172465311), (123, 164052369), (351, 57488437), (369, 54684123), (533, 37858239), (1107, 18228041), (1599, 12619413), (4797, 4206471), (14391, 1402157)]