20117839

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{191}}^1\times {\mathrm{367}}^1$

素因数の和:606

約数の個数: 16

約数和(自身を含む): 23740416

約数和(自身を除く): 3622577

約数列:

[1, 7, 41, 191, 287, 367, 1337, 2569, 7831, 15047, 54817, 70097, 105329, 490679, 2873977, 20117839]

約数ペア:

[(1, 20117839), (7, 2873977), (41, 490679), (191, 105329), (287, 70097), (367, 54817), (1337, 15047), (2569, 7831)]