20574567

素因数分解:

$3^6\times {\mathrm{13}}^2\times {\mathrm{167}}^1$

素因数の和:211

約数の個数: 42

約数和(自身を含む): 33603192

約数和(自身を除く): 13028625

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 167, 169, 243, 351, 501, 507, 729, 1053, 1503, 1521, 2171, 3159, 4509, 4563, 6513, 9477, 13527, 13689, 19539, 28223, 40581, 41067, 58617, 84669, 121743, 123201, 175851, 254007, 527553, 762021, 1582659, 2286063, 6858189, 20574567]

約数ペア:

[(1, 20574567), (3, 6858189), (9, 2286063), (13, 1582659), (27, 762021), (39, 527553), (81, 254007), (117, 175851), (167, 123201), (169, 121743), (243, 84669), (351, 58617), (501, 41067), (507, 40581), (729, 28223), (1053, 19539), (1503, 13689), (1521, 13527), (2171, 9477), (3159, 6513), (4509, 4563)]