20948418

素因数分解:

$2^1\times 3^2\times {\mathrm{881}}^1\times {\mathrm{1321}}^1$

素因数の和:2210

約数の個数: 24

約数和(自身を含む): 45474156

約数和(自身を除く): 24525738

約数列:

[1, 2, 3, 6, 9, 18, 881, 1321, 1762, 2642, 2643, 3963, 5286, 7926, 7929, 11889, 15858, 23778, 1163801, 2327602, 3491403, 6982806, 10474209, 20948418]

約数ペア:

[(1, 20948418), (2, 10474209), (3, 6982806), (6, 3491403), (9, 2327602), (18, 1163801), (881, 23778), (1321, 15858), (1762, 11889), (2642, 7929), (2643, 7926), (3963, 5286)]