20009820140

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{218591}}^1$

素因数の和:218822

約数の個数: 48

約数和(自身を含む): 44068147200

約数和(自身を除く): 24058327060

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 199, 230, 398, 460, 796, 995, 1990, 3980, 4577, 9154, 18308, 22885, 45770, 91540, 218591, 437182, 874364, 1092955, 2185910, 4371820, 5027593, 10055186, 20110372, 25137965, 43499609, 50275930, 86999218, 100551860, 173998436, 217498045, 434996090, 869992180, 1000491007, 2000982014, 4001964028, 5002455035, 10004910070, 20009820140]

約数ペア:

[(1, 20009820140), (2, 10004910070), (4, 5002455035), (5, 4001964028), (10, 2000982014), (20, 1000491007), (23, 869992180), (46, 434996090), (92, 217498045), (115, 173998436), (199, 100551860), (230, 86999218), (398, 50275930), (460, 43499609), (796, 25137965), (995, 20110372), (1990, 10055186), (3980, 5027593), (4577, 4371820), (9154, 2185910), (18308, 1092955), (22885, 874364), (45770, 437182), (91540, 218591)]