20760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{173}}^1$

素因数の和:187

約数の個数: 32

約数和(自身を含む): 62640

約数和(自身を除く): 41880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 173, 346, 519, 692, 865, 1038, 1384, 1730, 2076, 2595, 3460, 4152, 5190, 6920, 10380, 20760]

約数ペア:

[(1, 20760), (2, 10380), (3, 6920), (4, 5190), (5, 4152), (6, 3460), (8, 2595), (10, 2076), (12, 1730), (15, 1384), (20, 1038), (24, 865), (30, 692), (40, 519), (60, 346), (120, 173)]