20900178

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{89317}}^1$

素因数の和:89338

約数の個数: 24

約数和(自身を含む): 48767628

約数和(自身を除く): 27867450

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 89317, 178634, 267951, 535902, 803853, 1161121, 1607706, 2322242, 3483363, 6966726, 10450089, 20900178]

約数ペア:

[(1, 20900178), (2, 10450089), (3, 6966726), (6, 3483363), (9, 2322242), (13, 1607706), (18, 1161121), (26, 803853), (39, 535902), (78, 267951), (117, 178634), (234, 89317)]