20197980736

素因数分解:

$2^6\times {\mathrm{971}}^1\times {\mathrm{325019}}^1$

素因数の和:326002

約数の個数: 28

約数和(自身を含む): 40121768880

約数和(自身を除く): 19923788144

約数列:

[1, 2, 4, 8, 16, 32, 64, 971, 1942, 3884, 7768, 15536, 31072, 62144, 325019, 650038, 1300076, 2600152, 5200304, 10400608, 20801216, 315593449, 631186898, 1262373796, 2524747592, 5049495184, 10098990368, 20197980736]

約数ペア:

[(1, 20197980736), (2, 10098990368), (4, 5049495184), (8, 2524747592), (16, 1262373796), (32, 631186898), (64, 315593449), (971, 20801216), (1942, 10400608), (3884, 5200304), (7768, 2600152), (15536, 1300076), (31072, 650038), (62144, 325019)]