20790315

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{5077}}^1$

素因数の和:5108

約数の個数: 48

約数和(自身を含む): 44361408

約数和(自身を除く): 23571093

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 35, 39, 45, 63, 65, 91, 105, 117, 195, 273, 315, 455, 585, 819, 1365, 4095, 5077, 15231, 25385, 35539, 45693, 66001, 76155, 106617, 177695, 198003, 228465, 319851, 330005, 462007, 533085, 594009, 990015, 1386021, 1599255, 2310035, 2970045, 4158063, 6930105, 20790315]

約数ペア:

[(1, 20790315), (3, 6930105), (5, 4158063), (7, 2970045), (9, 2310035), (13, 1599255), (15, 1386021), (21, 990015), (35, 594009), (39, 533085), (45, 462007), (63, 330005), (65, 319851), (91, 228465), (105, 198003), (117, 177695), (195, 106617), (273, 76155), (315, 66001), (455, 45693), (585, 35539), (819, 25385), (1365, 15231), (4095, 5077)]