20472075

素因数分解:

$3^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{2333}}^1$

素因数の和:2365

約数の個数: 48

約数和(自身を含む): 40518240

約数和(自身を除く): 20046165

約数列:

[1, 3, 5, 9, 13, 15, 25, 27, 39, 45, 65, 75, 117, 135, 195, 225, 325, 351, 585, 675, 975, 1755, 2333, 2925, 6999, 8775, 11665, 20997, 30329, 34995, 58325, 62991, 90987, 104985, 151645, 174975, 272961, 314955, 454935, 524925, 758225, 818883, 1364805, 1574775, 2274675, 4094415, 6824025, 20472075]

約数ペア:

[(1, 20472075), (3, 6824025), (5, 4094415), (9, 2274675), (13, 1574775), (15, 1364805), (25, 818883), (27, 758225), (39, 524925), (45, 454935), (65, 314955), (75, 272961), (117, 174975), (135, 151645), (195, 104985), (225, 90987), (325, 62991), (351, 58325), (585, 34995), (675, 30329), (975, 20997), (1755, 11665), (2333, 8775), (2925, 6999)]