20172495

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{8353}}^1$

素因数の和:8391

約数の個数: 32

約数和(自身を含む): 38495232

約数和(自身を除く): 18322737

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 69, 105, 115, 161, 345, 483, 805, 2415, 8353, 25059, 41765, 58471, 125295, 175413, 192119, 292355, 576357, 877065, 960595, 1344833, 2881785, 4034499, 6724165, 20172495]

約数ペア:

[(1, 20172495), (3, 6724165), (5, 4034499), (7, 2881785), (15, 1344833), (21, 960595), (23, 877065), (35, 576357), (69, 292355), (105, 192119), (115, 175413), (161, 125295), (345, 58471), (483, 41765), (805, 25059), (2415, 8353)]