20790690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{16903}}^1$

素因数の和:16954

約数の個数: 32

約数和(自身を含む): 51117696

約数和(自身を除く): 30327006

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 41, 82, 123, 205, 246, 410, 615, 1230, 16903, 33806, 50709, 84515, 101418, 169030, 253545, 507090, 693023, 1386046, 2079069, 3465115, 4158138, 6930230, 10395345, 20790690]

約数ペア:

[(1, 20790690), (2, 10395345), (3, 6930230), (5, 4158138), (6, 3465115), (10, 2079069), (15, 1386046), (30, 693023), (41, 507090), (82, 253545), (123, 169030), (205, 101418), (246, 84515), (410, 50709), (615, 33806), (1230, 16903)]