20393810

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{49741}}^1$

素因数の和:49789

約数の個数: 16

約数和(自身を含む): 37604952

約数和(自身を除く): 17211142

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 49741, 99482, 248705, 497410, 2039381, 4078762, 10196905, 20393810]

約数ペア:

[(1, 20393810), (2, 10196905), (5, 4078762), (10, 2039381), (41, 497410), (82, 248705), (205, 99482), (410, 49741)]