20194362756

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{659171}}^1$

素因数の和:659241

約数の個数: 72

約数和(自身を含む): 54706002624

約数和(自身を除く): 34511639868

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 37, 46, 69, 74, 92, 111, 138, 148, 207, 222, 276, 333, 414, 444, 666, 828, 851, 1332, 1702, 2553, 3404, 5106, 7659, 10212, 15318, 30636, 659171, 1318342, 1977513, 2636684, 3955026, 5932539, 7910052, 11865078, 15160933, 23730156, 24389327, 30321866, 45482799, 48778654, 60643732, 73167981, 90965598, 97557308, 136448397, 146335962, 181931196, 219503943, 272896794, 292671924, 439007886, 545793588, 560954521, 878015772, 1121909042, 1682863563, 2243818084, 3365727126, 5048590689, 6731454252, 10097181378, 20194362756]

約数ペア:

[(1, 20194362756), (2, 10097181378), (3, 6731454252), (4, 5048590689), (6, 3365727126), (9, 2243818084), (12, 1682863563), (18, 1121909042), (23, 878015772), (36, 560954521), (37, 545793588), (46, 439007886), (69, 292671924), (74, 272896794), (92, 219503943), (111, 181931196), (138, 146335962), (148, 136448397), (207, 97557308), (222, 90965598), (276, 73167981), (333, 60643732), (414, 48778654), (444, 45482799), (666, 30321866), (828, 24389327), (851, 23730156), (1332, 15160933), (1702, 11865078), (2553, 7910052), (3404, 5932539), (5106, 3955026), (7659, 2636684), (10212, 1977513), (15318, 1318342), (30636, 659171)]