20713407

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{911}}^1$

素因数の和:991

約数の個数: 32

約数和(自身を含む): 33094656

約数和(自身を除く): 12381249

約数列:

[1, 3, 11, 13, 33, 39, 53, 143, 159, 429, 583, 689, 911, 1749, 2067, 2733, 7579, 10021, 11843, 22737, 30063, 35529, 48283, 130273, 144849, 390819, 531113, 627679, 1593339, 1883037, 6904469, 20713407]

約数ペア:

[(1, 20713407), (3, 6904469), (11, 1883037), (13, 1593339), (33, 627679), (39, 531113), (53, 390819), (143, 144849), (159, 130273), (429, 48283), (583, 35529), (689, 30063), (911, 22737), (1749, 11843), (2067, 10021), (2733, 7579)]