20066579

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1$

素因数の和:191

約数の個数: 32

約数和(自身を含む): 24675840

約数和(自身を除く): 4609261

約数列:

[1, 13, 17, 29, 31, 101, 221, 377, 403, 493, 527, 899, 1313, 1717, 2929, 3131, 6409, 6851, 11687, 15283, 22321, 38077, 40703, 49793, 53227, 90799, 198679, 647309, 691951, 1180387, 1543583, 20066579]

約数ペア:

[(1, 20066579), (13, 1543583), (17, 1180387), (29, 691951), (31, 647309), (101, 198679), (221, 90799), (377, 53227), (403, 49793), (493, 40703), (527, 38077), (899, 22321), (1313, 15283), (1717, 11687), (2929, 6851), (3131, 6409)]