20283659

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:171

約数の個数: 32

約数和(自身を含む): 24879360

約数和(自身を除く): 4595701

約数列:

[1, 11, 19, 37, 43, 61, 209, 407, 473, 671, 703, 817, 1159, 1591, 2257, 2623, 7733, 8987, 12749, 17501, 24827, 28853, 30229, 42883, 49837, 97051, 332519, 471713, 548207, 1067561, 1843969, 20283659]

約数ペア:

[(1, 20283659), (11, 1843969), (19, 1067561), (37, 548207), (43, 471713), (61, 332519), (209, 97051), (407, 49837), (473, 42883), (671, 30229), (703, 28853), (817, 24827), (1159, 17501), (1591, 12749), (2257, 8987), (2623, 7733)]