20507926

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^2$

素因数の和:244

約数の個数: 24

約数和(自身を含む): 32768064

約数和(自身を除く): 12260138

約数列:

[1, 2, 31, 53, 62, 79, 106, 158, 1643, 2449, 3286, 4187, 4898, 6241, 8374, 12482, 129797, 193471, 259594, 330773, 386942, 661546, 10253963, 20507926]

約数ペア:

[(1, 20507926), (2, 10253963), (31, 661546), (53, 386942), (62, 330773), (79, 259594), (106, 193471), (158, 129797), (1643, 12482), (2449, 8374), (3286, 6241), (4187, 4898)]