20163785576

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{671947}}^1$

素因数の和:672006

約数の個数: 48

約数和(自身を含む): 42897160320

約数和(自身を除く): 22733374744

約数列:

[1, 2, 4, 8, 11, 22, 31, 44, 62, 88, 121, 124, 242, 248, 341, 484, 682, 968, 1364, 2728, 3751, 7502, 15004, 30008, 671947, 1343894, 2687788, 5375576, 7391417, 14782834, 20830357, 29565668, 41660714, 59131336, 81305587, 83321428, 162611174, 166642856, 229133927, 325222348, 458267854, 650444696, 916535708, 1833071416, 2520473197, 5040946394, 10081892788, 20163785576]

約数ペア:

[(1, 20163785576), (2, 10081892788), (4, 5040946394), (8, 2520473197), (11, 1833071416), (22, 916535708), (31, 650444696), (44, 458267854), (62, 325222348), (88, 229133927), (121, 166642856), (124, 162611174), (242, 83321428), (248, 81305587), (341, 59131336), (484, 41660714), (682, 29565668), (968, 20830357), (1364, 14782834), (2728, 7391417), (3751, 5375576), (7502, 2687788), (15004, 1343894), (30008, 671947)]