20846904

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{613}}^1$

素因数の和:744

約数の個数: 64

約数和(自身を含む): 56733600

約数和(自身を除く): 35886696

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 109, 156, 218, 312, 327, 436, 613, 654, 872, 1226, 1308, 1417, 1839, 2452, 2616, 2834, 3678, 4251, 4904, 5668, 7356, 7969, 8502, 11336, 14712, 15938, 17004, 23907, 31876, 34008, 47814, 63752, 66817, 95628, 133634, 191256, 200451, 267268, 400902, 534536, 801804, 868621, 1603608, 1737242, 2605863, 3474484, 5211726, 6948968, 10423452, 20846904]

約数ペア:

[(1, 20846904), (2, 10423452), (3, 6948968), (4, 5211726), (6, 3474484), (8, 2605863), (12, 1737242), (13, 1603608), (24, 868621), (26, 801804), (39, 534536), (52, 400902), (78, 267268), (104, 200451), (109, 191256), (156, 133634), (218, 95628), (312, 66817), (327, 63752), (436, 47814), (613, 34008), (654, 31876), (872, 23907), (1226, 17004), (1308, 15938), (1417, 14712), (1839, 11336), (2452, 8502), (2616, 7969), (2834, 7356), (3678, 5668), (4251, 4904)]