20502476

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{13109}}^1$

素因数の和:13153

約数の個数: 24

約数和(自身を含む): 39644640

約数和(自身を除く): 19142164

約数列:

[1, 2, 4, 17, 23, 34, 46, 68, 92, 391, 782, 1564, 13109, 26218, 52436, 222853, 301507, 445706, 603014, 891412, 1206028, 5125619, 10251238, 20502476]

約数ペア:

[(1, 20502476), (2, 10251238), (4, 5125619), (17, 1206028), (23, 891412), (34, 603014), (46, 445706), (68, 301507), (92, 222853), (391, 52436), (782, 26218), (1564, 13109)]