201620705

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{419}}^1\times {\mathrm{673}}^1$

素因数の和:1121

約数の個数: 32

約数和(自身を含む): 285344640

約数和(自身を除く): 83723935

約数列:

[1, 5, 11, 13, 55, 65, 143, 419, 673, 715, 2095, 3365, 4609, 5447, 7403, 8749, 23045, 27235, 37015, 43745, 59917, 96239, 281987, 299585, 481195, 1409935, 3101857, 3665831, 15509285, 18329155, 40324141, 201620705]

約数ペア:

[(1, 201620705), (5, 40324141), (11, 18329155), (13, 15509285), (55, 3665831), (65, 3101857), (143, 1409935), (419, 481195), (673, 299585), (715, 281987), (2095, 96239), (3365, 59917), (4609, 43745), (5447, 37015), (7403, 27235), (8749, 23045)]