20670265

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{1013}}^1$

素因数の和:1089

約数の個数: 32

約数和(自身を含む): 31539456

約数和(自身を除く): 10869191

約数列:

[1, 5, 7, 11, 35, 53, 55, 77, 265, 371, 385, 583, 1013, 1855, 2915, 4081, 5065, 7091, 11143, 20405, 35455, 53689, 55715, 78001, 268445, 375823, 390005, 590579, 1879115, 2952895, 4134053, 20670265]

約数ペア:

[(1, 20670265), (5, 4134053), (7, 2952895), (11, 1879115), (35, 590579), (53, 390005), (55, 375823), (77, 268445), (265, 78001), (371, 55715), (385, 53689), (583, 35455), (1013, 20405), (1855, 11143), (2915, 7091), (4081, 5065)]