20259213

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{1289}}^1$

素因数の和:1349

約数の個数: 24

約数和(自身を含む): 30216960

約数和(自身を除く): 9957747

約数列:

[1, 3, 13, 31, 39, 93, 169, 403, 507, 1209, 1289, 3867, 5239, 15717, 16757, 39959, 50271, 119877, 217841, 519467, 653523, 1558401, 6753071, 20259213]

約数ペア:

[(1, 20259213), (3, 6753071), (13, 1558401), (31, 653523), (39, 519467), (93, 217841), (169, 119877), (403, 50271), (507, 39959), (1209, 16757), (1289, 15717), (3867, 5239)]