20165718279

素因数分解:

$3^1\times 7^2\times {\mathrm{277}}^1\times {\mathrm{495241}}^1$

素因数の和:495535

約数の個数: 24

約数和(自身を含む): 31390418928

約数和(自身を除く): 11224700649

約数列:

[1, 3, 7, 21, 49, 147, 277, 831, 1939, 5817, 13573, 40719, 495241, 1485723, 3466687, 10400061, 24266809, 72800427, 137181757, 411545271, 960272299, 2880816897, 6721906093, 20165718279]

約数ペア:

[(1, 20165718279), (3, 6721906093), (7, 2880816897), (21, 960272299), (49, 411545271), (147, 137181757), (277, 72800427), (831, 24266809), (1939, 10400061), (5817, 3466687), (13573, 1485723), (40719, 495241)]