20456848

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{75209}}^1$

素因数の和:75234

約数の個数: 20

約数和(自身を含む): 41967180

約数和(自身を除く): 21510332

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 75209, 150418, 300836, 601672, 1203344, 1278553, 2557106, 5114212, 10228424, 20456848]

約数ペア:

[(1, 20456848), (2, 10228424), (4, 5114212), (8, 2557106), (16, 1278553), (17, 1203344), (34, 601672), (68, 300836), (136, 150418), (272, 75209)]