2018040020

素因数分解:

$2^2\times 5^1\times {\mathrm{983}}^1\times {\mathrm{102647}}^1$

素因数の和:103639

約数の個数: 24

約数和(自身を含む): 4242236544

約数和(自身を除く): 2224196524

約数列:

[1, 2, 4, 5, 10, 20, 983, 1966, 3932, 4915, 9830, 19660, 102647, 205294, 410588, 513235, 1026470, 2052940, 100902001, 201804002, 403608004, 504510005, 1009020010, 2018040020]

約数ペア:

[(1, 2018040020), (2, 1009020010), (4, 504510005), (5, 403608004), (10, 201804002), (20, 100902001), (983, 2052940), (1966, 1026470), (3932, 513235), (4915, 410588), (9830, 205294), (19660, 102647)]