20303984

素因数分解:

$2^4\times {\mathrm{17}}^2\times {\mathrm{4391}}^1$

素因数の和:4433

約数の個数: 30

約数和(自身を含む): 41798664

約数和(自身を除く): 21494680

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 289, 578, 1156, 2312, 4391, 4624, 8782, 17564, 35128, 70256, 74647, 149294, 298588, 597176, 1194352, 1268999, 2537998, 5075996, 10151992, 20303984]

約数ペア:

[(1, 20303984), (2, 10151992), (4, 5075996), (8, 2537998), (16, 1268999), (17, 1194352), (34, 597176), (68, 298588), (136, 149294), (272, 74647), (289, 70256), (578, 35128), (1156, 17564), (2312, 8782), (4391, 4624)]