20380147214

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1\times {\mathrm{146407}}^1$

素因数の和:146640

約数の個数: 32

約数和(自身を含む): 35728237056

約数和(自身を除く): 15348089842

約数列:

[1, 2, 7, 14, 61, 122, 163, 326, 427, 854, 1141, 2282, 9943, 19886, 69601, 139202, 146407, 292814, 1024849, 2049698, 8930827, 17861654, 23864341, 47728682, 62515789, 125031578, 167050387, 334100774, 1455724801, 2911449602, 10190073607, 20380147214]

約数ペア:

[(1, 20380147214), (2, 10190073607), (7, 2911449602), (14, 1455724801), (61, 334100774), (122, 167050387), (163, 125031578), (326, 62515789), (427, 47728682), (854, 23864341), (1141, 17861654), (2282, 8930827), (9943, 2049698), (19886, 1024849), (69601, 292814), (139202, 146407)]