20735581685

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2897}}^1\times {\mathrm{15731}}^1$

素因数の和:18653

約数の個数: 32

約数和(自身を含む): 30637377792

約数和(自身を除く): 9901796107

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 2897, 14485, 15731, 20279, 37661, 78655, 101395, 110117, 188305, 204503, 263627, 550585, 1022515, 1318135, 1431521, 7157605, 45572707, 227863535, 319008949, 592445191, 1595044745, 2962225955, 4147116337, 20735581685]

約数ペア:

[(1, 20735581685), (5, 4147116337), (7, 2962225955), (13, 1595044745), (35, 592445191), (65, 319008949), (91, 227863535), (455, 45572707), (2897, 7157605), (14485, 1431521), (15731, 1318135), (20279, 1022515), (37661, 550585), (78655, 263627), (101395, 204503), (110117, 188305)]