20503431

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{5653}}^1$

素因数の和:5703

約数の個数: 24

約数和(自身を含む): 32928896

約数和(自身を除く): 12425465

約数列:

[1, 3, 9, 13, 31, 39, 93, 117, 279, 403, 1209, 3627, 5653, 16959, 50877, 73489, 175243, 220467, 525729, 661401, 1577187, 2278159, 6834477, 20503431]

約数ペア:

[(1, 20503431), (3, 6834477), (9, 2278159), (13, 1577187), (31, 661401), (39, 525729), (93, 220467), (117, 175243), (279, 73489), (403, 50877), (1209, 16959), (3627, 5653)]