20457365

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{2237}}^1$

素因数の和:2332

約数の個数: 16

約数和(自身を含む): 25781760

約数和(自身を除く): 5324395

約数列:

[1, 5, 31, 59, 155, 295, 1829, 2237, 9145, 11185, 69347, 131983, 346735, 659915, 4091473, 20457365]

約数ペア:

[(1, 20457365), (5, 4091473), (31, 659915), (59, 346735), (155, 131983), (295, 69347), (1829, 11185), (2237, 9145)]