20081763

素因数分解:

$3^6\times {\mathrm{13}}^2\times {\mathrm{163}}^1$

素因数の和:207

約数の個数: 42

約数和(自身を含む): 32803116

約数和(自身を除く): 12721353

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 163, 169, 243, 351, 489, 507, 729, 1053, 1467, 1521, 2119, 3159, 4401, 4563, 6357, 9477, 13203, 13689, 19071, 27547, 39609, 41067, 57213, 82641, 118827, 123201, 171639, 247923, 514917, 743769, 1544751, 2231307, 6693921, 20081763]

約数ペア:

[(1, 20081763), (3, 6693921), (9, 2231307), (13, 1544751), (27, 743769), (39, 514917), (81, 247923), (117, 171639), (163, 123201), (169, 118827), (243, 82641), (351, 57213), (489, 41067), (507, 39609), (729, 27547), (1053, 19071), (1467, 13689), (1521, 13203), (2119, 9477), (3159, 6357), (4401, 4563)]