20760870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53233}}^1$

素因数の和:53256

約数の個数: 32

約数和(自身を含む): 53659872

約数和(自身を除く): 32899002

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 53233, 106466, 159699, 266165, 319398, 532330, 692029, 798495, 1384058, 1596990, 2076087, 3460145, 4152174, 6920290, 10380435, 20760870]

約数ペア:

[(1, 20760870), (2, 10380435), (3, 6920290), (5, 4152174), (6, 3460145), (10, 2076087), (13, 1596990), (15, 1384058), (26, 798495), (30, 692029), (39, 532330), (65, 319398), (78, 266165), (130, 159699), (195, 106466), (390, 53233)]