20120573420

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{503}}^1\times {\mathrm{86959}}^1$

素因数の和:87494

約数の個数: 48

約数和(自身を含む): 44178462720

約数和(自身を除く): 24057889300

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 503, 1006, 2012, 2515, 5030, 10060, 11569, 23138, 46276, 57845, 86959, 115690, 173918, 231380, 347836, 434795, 869590, 1739180, 2000057, 4000114, 8000228, 10000285, 20000570, 40001140, 43740377, 87480754, 174961508, 218701885, 437403770, 874807540, 1006028671, 2012057342, 4024114684, 5030143355, 10060286710, 20120573420]

約数ペア:

[(1, 20120573420), (2, 10060286710), (4, 5030143355), (5, 4024114684), (10, 2012057342), (20, 1006028671), (23, 874807540), (46, 437403770), (92, 218701885), (115, 174961508), (230, 87480754), (460, 43740377), (503, 40001140), (1006, 20000570), (2012, 10000285), (2515, 8000228), (5030, 4000114), (10060, 2000057), (11569, 1739180), (23138, 869590), (46276, 434795), (57845, 347836), (86959, 231380), (115690, 173918)]