20201940003

素因数分解:

$3^1\times 7^1\times {\mathrm{7487}}^1\times {\mathrm{128489}}^1$

素因数の和:135986

約数の個数: 16

約数和(自身を含む): 30788259840

約数和(自身を除く): 10586319837

約数列:

[1, 3, 7, 21, 7487, 22461, 52409, 128489, 157227, 385467, 899423, 2698269, 961997143, 2885991429, 6733980001, 20201940003]

約数ペア:

[(1, 20201940003), (3, 6733980001), (7, 2885991429), (21, 961997143), (7487, 2698269), (22461, 899423), (52409, 385467), (128489, 157227)]