20178390968

素因数分解:

$2^3\times {\mathrm{10273}}^1\times {\mathrm{245527}}^1$

素因数の和:255806

約数の個数: 16

約数和(自身を含む): 37838320080

約数和(自身を除く): 17659929112

約数列:

[1, 2, 4, 8, 10273, 20546, 41092, 82184, 245527, 491054, 982108, 1964216, 2522298871, 5044597742, 10089195484, 20178390968]

約数ペア:

[(1, 20178390968), (2, 10089195484), (4, 5044597742), (8, 2522298871), (10273, 1964216), (20546, 982108), (41092, 491054), (82184, 245527)]