20360286

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1609}}^1$

素因数の和:1673

約数の個数: 48

約数和(自身を含む): 47720400

約数和(自身を除く): 27360114

約数列:

[1, 2, 3, 6, 9, 18, 19, 37, 38, 57, 74, 111, 114, 171, 222, 333, 342, 666, 703, 1406, 1609, 2109, 3218, 4218, 4827, 6327, 9654, 12654, 14481, 28962, 30571, 59533, 61142, 91713, 119066, 178599, 183426, 275139, 357198, 535797, 550278, 1071594, 1131127, 2262254, 3393381, 6786762, 10180143, 20360286]

約数ペア:

[(1, 20360286), (2, 10180143), (3, 6786762), (6, 3393381), (9, 2262254), (18, 1131127), (19, 1071594), (37, 550278), (38, 535797), (57, 357198), (74, 275139), (111, 183426), (114, 178599), (171, 119066), (222, 91713), (333, 61142), (342, 59533), (666, 30571), (703, 28962), (1406, 14481), (1609, 12654), (2109, 9654), (3218, 6327), (4218, 4827)]