20011450

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{373}}^1$

素因数の和:451

約数の個数: 48

約数和(自身を含む): 39651480

約数和(自身を除く): 19640030

約数列:

[1, 2, 5, 10, 25, 29, 37, 50, 58, 74, 145, 185, 290, 370, 373, 725, 746, 925, 1073, 1450, 1850, 1865, 2146, 3730, 5365, 9325, 10730, 10817, 13801, 18650, 21634, 26825, 27602, 53650, 54085, 69005, 108170, 138010, 270425, 345025, 400229, 540850, 690050, 800458, 2001145, 4002290, 10005725, 20011450]

約数ペア:

[(1, 20011450), (2, 10005725), (5, 4002290), (10, 2001145), (25, 800458), (29, 690050), (37, 540850), (50, 400229), (58, 345025), (74, 270425), (145, 138010), (185, 108170), (290, 69005), (370, 54085), (373, 53650), (725, 27602), (746, 26825), (925, 21634), (1073, 18650), (1450, 13801), (1850, 10817), (1865, 10730), (2146, 9325), (3730, 5365)]