20235850

素因数分解:

$2^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1$

素因数の和:247

約数の個数: 48

約数和(自身を含む): 39283200

約数和(自身を除く): 19047350

約数列:

[1, 2, 5, 10, 25, 47, 50, 79, 94, 109, 158, 218, 235, 395, 470, 545, 790, 1090, 1175, 1975, 2350, 2725, 3713, 3950, 5123, 5450, 7426, 8611, 10246, 17222, 18565, 25615, 37130, 43055, 51230, 86110, 92825, 128075, 185650, 215275, 256150, 404717, 430550, 809434, 2023585, 4047170, 10117925, 20235850]

約数ペア:

[(1, 20235850), (2, 10117925), (5, 4047170), (10, 2023585), (25, 809434), (47, 430550), (50, 404717), (79, 256150), (94, 215275), (109, 185650), (158, 128075), (218, 92825), (235, 86110), (395, 51230), (470, 43055), (545, 37130), (790, 25615), (1090, 18565), (1175, 17222), (1975, 10246), (2350, 8611), (2725, 7426), (3713, 5450), (3950, 5123)]