20972412

素因数分解:

$2^2\times 3^3\times {\mathrm{23}}^1\times {\mathrm{8443}}^1$

素因数の和:8479

約数の個数: 48

約数和(自身を含む): 56743680

約数和(自身を除く): 35771268

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 27, 36, 46, 54, 69, 92, 108, 138, 207, 276, 414, 621, 828, 1242, 2484, 8443, 16886, 25329, 33772, 50658, 75987, 101316, 151974, 194189, 227961, 303948, 388378, 455922, 582567, 776756, 911844, 1165134, 1747701, 2330268, 3495402, 5243103, 6990804, 10486206, 20972412]

約数ペア:

[(1, 20972412), (2, 10486206), (3, 6990804), (4, 5243103), (6, 3495402), (9, 2330268), (12, 1747701), (18, 1165134), (23, 911844), (27, 776756), (36, 582567), (46, 455922), (54, 388378), (69, 303948), (92, 227961), (108, 194189), (138, 151974), (207, 101316), (276, 75987), (414, 50658), (621, 33772), (828, 25329), (1242, 16886), (2484, 8443)]