18242020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53653}}^1$

素因数の和:53679

約数の個数: 24

約数和(自身を含む): 40562424

約数和(自身を除く): 22320404

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 53653, 107306, 214612, 268265, 536530, 912101, 1073060, 1824202, 3648404, 4560505, 9121010, 18242020]

約数ペア:

[(1, 18242020), (2, 9121010), (4, 4560505), (5, 3648404), (10, 1824202), (17, 1073060), (20, 912101), (34, 536530), (68, 268265), (85, 214612), (170, 107306), (340, 53653)]