20171288215

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{507901}}^1$

素因数の和:507979

約数の個数: 24

約数和(自身を含む): 26768467008

約数和(自身を除く): 6597178793

約数列:

[1, 5, 13, 47, 65, 169, 235, 611, 845, 3055, 7943, 39715, 507901, 2539505, 6602713, 23871347, 33013565, 85835269, 119356735, 310327511, 429176345, 1551637555, 4034257643, 20171288215]

約数ペア:

[(1, 20171288215), (5, 4034257643), (13, 1551637555), (47, 429176345), (65, 310327511), (169, 119356735), (235, 85835269), (611, 33013565), (845, 23871347), (3055, 6602713), (7943, 2539505), (39715, 507901)]