20784912

素因数分解:

$2^4\times 3^1\times {\mathrm{173}}^1\times {\mathrm{2503}}^1$

素因数の和:2687

約数の個数: 40

約数和(自身を含む): 54026304

約数和(自身を除く): 33241392

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 173, 346, 519, 692, 1038, 1384, 2076, 2503, 2768, 4152, 5006, 7509, 8304, 10012, 15018, 20024, 30036, 40048, 60072, 120144, 433019, 866038, 1299057, 1732076, 2598114, 3464152, 5196228, 6928304, 10392456, 20784912]

約数ペア:

[(1, 20784912), (2, 10392456), (3, 6928304), (4, 5196228), (6, 3464152), (8, 2598114), (12, 1732076), (16, 1299057), (24, 866038), (48, 433019), (173, 120144), (346, 60072), (519, 40048), (692, 30036), (1038, 20024), (1384, 15018), (2076, 10012), (2503, 8304), (2768, 7509), (4152, 5006)]