20147490870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{653927}}^1$

素因数の和:654029

約数の個数: 64

約数和(自身を含む): 52732753920

約数和(自身を除く): 32585263050

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 79, 130, 158, 195, 237, 390, 395, 474, 790, 1027, 1185, 2054, 2370, 3081, 5135, 6162, 10270, 15405, 30810, 653927, 1307854, 1961781, 3269635, 3923562, 6539270, 8501051, 9808905, 17002102, 19617810, 25503153, 42505255, 51006306, 51660233, 85010510, 103320466, 127515765, 154980699, 255031530, 258301165, 309961398, 516602330, 671583029, 774903495, 1343166058, 1549806990, 2014749087, 3357915145, 4029498174, 6715830290, 10073745435, 20147490870]

約数ペア:

[(1, 20147490870), (2, 10073745435), (3, 6715830290), (5, 4029498174), (6, 3357915145), (10, 2014749087), (13, 1549806990), (15, 1343166058), (26, 774903495), (30, 671583029), (39, 516602330), (65, 309961398), (78, 258301165), (79, 255031530), (130, 154980699), (158, 127515765), (195, 103320466), (237, 85010510), (390, 51660233), (395, 51006306), (474, 42505255), (790, 25503153), (1027, 19617810), (1185, 17002102), (2054, 9808905), (2370, 8501051), (3081, 6539270), (5135, 3923562), (6162, 3269635), (10270, 1961781), (15405, 1307854), (30810, 653927)]