20567105

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{173}}^1$

素因数の和:281

約数の個数: 32

約数和(自身を含む): 28062720

約数和(自身を除く): 7495615

約数列:

[1, 5, 13, 31, 59, 65, 155, 173, 295, 403, 767, 865, 1829, 2015, 2249, 3835, 5363, 9145, 10207, 11245, 23777, 26815, 51035, 69719, 118885, 132691, 316417, 348595, 663455, 1582085, 4113421, 20567105]

約数ペア:

[(1, 20567105), (5, 4113421), (13, 1582085), (31, 663455), (59, 348595), (65, 316417), (155, 132691), (173, 118885), (295, 69719), (403, 51035), (767, 26815), (865, 23777), (1829, 11245), (2015, 10207), (2249, 9145), (3835, 5363)]