20512952420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{60332213}}^1$

素因数の和:60332239

約数の個数: 24

約数和(自身を含む): 45611153784

約数和(自身を除く): 25098201364

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 60332213, 120664426, 241328852, 301661065, 603322130, 1025647621, 1206644260, 2051295242, 4102590484, 5128238105, 10256476210, 20512952420]

約数ペア:

[(1, 20512952420), (2, 10256476210), (4, 5128238105), (5, 4102590484), (10, 2051295242), (17, 1206644260), (20, 1025647621), (34, 603322130), (68, 301661065), (85, 241328852), (170, 120664426), (340, 60332213)]