20408975993

素因数分解:

$7^1\times {\mathrm{89}}^1\times {\mathrm{3163}}^1\times {\mathrm{10357}}^1$

素因数の和:13616

約数の個数: 16

約数和(自身を含む): 23596352640

約数和(自身を除く): 3187376647

約数列:

[1, 7, 89, 623, 3163, 10357, 22141, 72499, 281507, 921773, 1970549, 6452411, 32759191, 229314337, 2915567999, 20408975993]

約数ペア:

[(1, 20408975993), (7, 2915567999), (89, 229314337), (623, 32759191), (3163, 6452411), (10357, 1970549), (22141, 921773), (72499, 281507)]