20956270

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{569}}^1$

素因数の和:732

約数の個数: 32

約数和(自身を含む): 39398400

約数和(自身を除く): 18442130

約数列:

[1, 2, 5, 10, 29, 58, 127, 145, 254, 290, 569, 635, 1138, 1270, 2845, 3683, 5690, 7366, 16501, 18415, 33002, 36830, 72263, 82505, 144526, 165010, 361315, 722630, 2095627, 4191254, 10478135, 20956270]

約数ペア:

[(1, 20956270), (2, 10478135), (5, 4191254), (10, 2095627), (29, 722630), (58, 361315), (127, 165010), (145, 144526), (254, 82505), (290, 72263), (569, 36830), (635, 33002), (1138, 18415), (1270, 16501), (2845, 7366), (3683, 5690)]