20235320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{72269}}^1$

素因数の和:72287

約数の個数: 32

約数和(自身を含む): 52034400

約数和(自身を除く): 31799080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 72269, 144538, 289076, 361345, 505883, 578152, 722690, 1011766, 1445380, 2023532, 2529415, 2890760, 4047064, 5058830, 10117660, 20235320]

約数ペア:

[(1, 20235320), (2, 10117660), (4, 5058830), (5, 4047064), (7, 2890760), (8, 2529415), (10, 2023532), (14, 1445380), (20, 1011766), (28, 722690), (35, 578152), (40, 505883), (56, 361345), (70, 289076), (140, 144538), (280, 72269)]