20079225

素因数分解:

$3^3\times 5^2\times {\mathrm{151}}^1\times {\mathrm{197}}^1$

素因数の和:367

約数の個数: 48

約数和(自身を含む): 37319040

約数和(自身を除く): 17239815

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 151, 197, 225, 453, 591, 675, 755, 985, 1359, 1773, 2265, 2955, 3775, 4077, 4925, 5319, 6795, 8865, 11325, 14775, 20385, 26595, 29747, 33975, 44325, 89241, 101925, 132975, 148735, 267723, 446205, 743675, 803169, 1338615, 2231025, 4015845, 6693075, 20079225]

約数ペア:

[(1, 20079225), (3, 6693075), (5, 4015845), (9, 2231025), (15, 1338615), (25, 803169), (27, 743675), (45, 446205), (75, 267723), (135, 148735), (151, 132975), (197, 101925), (225, 89241), (453, 44325), (591, 33975), (675, 29747), (755, 26595), (985, 20385), (1359, 14775), (1773, 11325), (2265, 8865), (2955, 6795), (3775, 5319), (4077, 4925)]