20147443420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4967}}^1\times {\mathrm{15601}}^1$

素因数の和:20590

約数の個数: 48

約数和(自身を含む): 45576312768

約数和(自身を除く): 25428869348

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 4967, 9934, 15601, 19868, 24835, 31202, 49670, 62404, 64571, 78005, 99340, 129142, 156010, 202813, 258284, 312020, 322855, 405626, 645710, 811252, 1014065, 1291420, 2028130, 4056260, 77490167, 154980334, 309960668, 387450835, 774901670, 1007372171, 1549803340, 2014744342, 4029488684, 5036860855, 10073721710, 20147443420]

約数ペア:

[(1, 20147443420), (2, 10073721710), (4, 5036860855), (5, 4029488684), (10, 2014744342), (13, 1549803340), (20, 1007372171), (26, 774901670), (52, 387450835), (65, 309960668), (130, 154980334), (260, 77490167), (4967, 4056260), (9934, 2028130), (15601, 1291420), (19868, 1014065), (24835, 811252), (31202, 645710), (49670, 405626), (62404, 322855), (64571, 312020), (78005, 258284), (99340, 202813), (129142, 156010)]