20402950

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{14071}}^1$

素因数の和:14112

約数の個数: 24

約数和(自身を含む): 39260880

約数和(自身を除く): 18857930

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 145, 290, 725, 1450, 14071, 28142, 70355, 140710, 351775, 408059, 703550, 816118, 2040295, 4080590, 10201475, 20402950]

約数ペア:

[(1, 20402950), (2, 10201475), (5, 4080590), (10, 2040295), (25, 816118), (29, 703550), (50, 408059), (58, 351775), (145, 140710), (290, 70355), (725, 28142), (1450, 14071)]