20537556

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^3\times {\mathrm{19}}^1\times {\mathrm{41}}^1$

素因数の和:106

約数の個数: 96

約数和(自身を含む): 55977600

約数和(自身を除く): 35440044

約数列:

[1, 2, 3, 4, 6, 12, 13, 19, 26, 38, 39, 41, 52, 57, 76, 78, 82, 114, 123, 156, 164, 169, 228, 246, 247, 338, 492, 494, 507, 533, 676, 741, 779, 988, 1014, 1066, 1482, 1558, 1599, 2028, 2132, 2197, 2337, 2964, 3116, 3198, 3211, 4394, 4674, 6396, 6422, 6591, 6929, 8788, 9348, 9633, 10127, 12844, 13182, 13858, 19266, 20254, 20787, 26364, 27716, 30381, 38532, 40508, 41574, 41743, 60762, 83148, 83486, 90077, 121524, 125229, 131651, 166972, 180154, 250458, 263302, 270231, 360308, 394953, 500916, 526604, 540462, 789906, 1080924, 1579812, 1711463, 3422926, 5134389, 6845852, 10268778, 20537556]

約数ペア:

[(1, 20537556), (2, 10268778), (3, 6845852), (4, 5134389), (6, 3422926), (12, 1711463), (13, 1579812), (19, 1080924), (26, 789906), (38, 540462), (39, 526604), (41, 500916), (52, 394953), (57, 360308), (76, 270231), (78, 263302), (82, 250458), (114, 180154), (123, 166972), (156, 131651), (164, 125229), (169, 121524), (228, 90077), (246, 83486), (247, 83148), (338, 60762), (492, 41743), (494, 41574), (507, 40508), (533, 38532), (676, 30381), (741, 27716), (779, 26364), (988, 20787), (1014, 20254), (1066, 19266), (1482, 13858), (1558, 13182), (1599, 12844), (2028, 10127), (2132, 9633), (2197, 9348), (2337, 8788), (2964, 6929), (3116, 6591), (3198, 6422), (3211, 6396), (4394, 4674)]