20379028

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{1103}}^1$

素因数の和:1287

約数の個数: 24

約数和(自身を含む): 37094400

約数和(自身を除く): 16715372

約数列:

[1, 2, 4, 31, 62, 124, 149, 298, 596, 1103, 2206, 4412, 4619, 9238, 18476, 34193, 68386, 136772, 164347, 328694, 657388, 5094757, 10189514, 20379028]

約数ペア:

[(1, 20379028), (2, 10189514), (4, 5094757), (31, 657388), (62, 328694), (124, 164347), (149, 136772), (298, 68386), (596, 34193), (1103, 18476), (2206, 9238), (4412, 4619)]