20091861918

素因数分解:

$2^1\times 3^4\times {\mathrm{31}}^1\times {\mathrm{1709}}^1\times {\mathrm{2341}}^1$

素因数の和:4095

約数の個数: 80

約数和(自身を含む): 46519989120

約数和(自身を除く): 26428127202

約数列:

[1, 2, 3, 6, 9, 18, 27, 31, 54, 62, 81, 93, 162, 186, 279, 558, 837, 1674, 1709, 2341, 2511, 3418, 4682, 5022, 5127, 7023, 10254, 14046, 15381, 21069, 30762, 42138, 46143, 52979, 63207, 72571, 92286, 105958, 126414, 138429, 145142, 158937, 189621, 217713, 276858, 317874, 379242, 435426, 476811, 653139, 953622, 1306278, 1430433, 1959417, 2860866, 3918834, 4000769, 4291299, 5878251, 8001538, 8582598, 11756502, 12002307, 24004614, 36006921, 72013842, 108020763, 124023839, 216041526, 248047678, 324062289, 372071517, 648124578, 744143034, 1116214551, 2232429102, 3348643653, 6697287306, 10045930959, 20091861918]

約数ペア:

[(1, 20091861918), (2, 10045930959), (3, 6697287306), (6, 3348643653), (9, 2232429102), (18, 1116214551), (27, 744143034), (31, 648124578), (54, 372071517), (62, 324062289), (81, 248047678), (93, 216041526), (162, 124023839), (186, 108020763), (279, 72013842), (558, 36006921), (837, 24004614), (1674, 12002307), (1709, 11756502), (2341, 8582598), (2511, 8001538), (3418, 5878251), (4682, 4291299), (5022, 4000769), (5127, 3918834), (7023, 2860866), (10254, 1959417), (14046, 1430433), (15381, 1306278), (21069, 953622), (30762, 653139), (42138, 476811), (46143, 435426), (52979, 379242), (63207, 317874), (72571, 276858), (92286, 217713), (105958, 189621), (126414, 158937), (138429, 145142)]