20703025

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{6959}}^1$

素因数の和:6993

約数の個数: 24

約数和(自身を含む): 31069440

約数和(自身を除く): 10366415

約数列:

[1, 5, 7, 17, 25, 35, 85, 119, 175, 425, 595, 2975, 6959, 34795, 48713, 118303, 173975, 243565, 591515, 828121, 1217825, 2957575, 4140605, 20703025]

約数ペア:

[(1, 20703025), (5, 4140605), (7, 2957575), (17, 1217825), (25, 828121), (35, 591515), (85, 243565), (119, 173975), (175, 118303), (425, 48713), (595, 34795), (2975, 6959)]