20457902

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{26161}}^1$

素因数の和:26203

約数の個数: 16

約数和(自身を含む): 33905952

約数和(自身を除く): 13448050

約数列:

[1, 2, 17, 23, 34, 46, 391, 782, 26161, 52322, 444737, 601703, 889474, 1203406, 10228951, 20457902]

約数ペア:

[(1, 20457902), (2, 10228951), (17, 1203406), (23, 889474), (34, 601703), (46, 444737), (391, 52322), (782, 26161)]