20197102545

素因数分解:

$3^4\times 5^1\times {\mathrm{613}}^1\times {\mathrm{81353}}^1$

素因数の和:81983

約数の個数: 40

約数和(自身を含む): 36264684456

約数和(自身を除く): 16067581911

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 613, 1839, 3065, 5517, 9195, 16551, 27585, 49653, 81353, 82755, 244059, 248265, 406765, 732177, 1220295, 2196531, 3660885, 6589593, 10982655, 32947965, 49869389, 149608167, 249346945, 448824501, 748040835, 1346473503, 2244122505, 4039420509, 6732367515, 20197102545]

約数ペア:

[(1, 20197102545), (3, 6732367515), (5, 4039420509), (9, 2244122505), (15, 1346473503), (27, 748040835), (45, 448824501), (81, 249346945), (135, 149608167), (405, 49869389), (613, 32947965), (1839, 10982655), (3065, 6589593), (5517, 3660885), (9195, 2196531), (16551, 1220295), (27585, 732177), (49653, 406765), (81353, 248265), (82755, 244059)]