20710130

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{1549}}^1$

素因数の和:1754

約数の個数: 32

約数和(自身を含む): 42854400

約数和(自身を除く): 22144270

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 191, 382, 955, 1337, 1549, 1910, 2674, 3098, 6685, 7745, 10843, 13370, 15490, 21686, 54215, 108430, 295859, 591718, 1479295, 2071013, 2958590, 4142026, 10355065, 20710130]

約数ペア:

[(1, 20710130), (2, 10355065), (5, 4142026), (7, 2958590), (10, 2071013), (14, 1479295), (35, 591718), (70, 295859), (191, 108430), (382, 54215), (955, 21686), (1337, 15490), (1549, 13370), (1910, 10843), (2674, 7745), (3098, 6685)]