20695047

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{97}}^1\times {\mathrm{197}}^1$

素因数の和:335

約数の個数: 24

約数和(自身を含む): 29571696

約数和(自身を除く): 8876649

約数列:

[1, 3, 19, 57, 97, 197, 291, 361, 591, 1083, 1843, 3743, 5529, 11229, 19109, 35017, 57327, 71117, 105051, 213351, 363071, 1089213, 6898349, 20695047]

約数ペア:

[(1, 20695047), (3, 6898349), (19, 1089213), (57, 363071), (97, 213351), (197, 105051), (291, 71117), (361, 57327), (591, 35017), (1083, 19109), (1843, 11229), (3743, 5529)]