20331675

素因数分解:

$3^3\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1$

素因数の和:370

約数の個数: 96

約数和(自身を含む): 46108160

約数和(自身を除く): 25776485

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 25, 27, 35, 39, 45, 63, 65, 75, 91, 105, 117, 135, 175, 189, 195, 225, 273, 315, 325, 331, 351, 455, 525, 585, 675, 819, 945, 975, 993, 1365, 1575, 1655, 1755, 2275, 2317, 2457, 2925, 2979, 4095, 4303, 4725, 4965, 6825, 6951, 8275, 8775, 8937, 11585, 12285, 12909, 14895, 20475, 20853, 21515, 24825, 30121, 34755, 38727, 44685, 57925, 61425, 62559, 64545, 74475, 90363, 104265, 107575, 116181, 150605, 173775, 193635, 223425, 271089, 312795, 322725, 451815, 521325, 580905, 753025, 813267, 968175, 1355445, 1563975, 2259075, 2904525, 4066335, 6777225, 20331675]

約数ペア:

[(1, 20331675), (3, 6777225), (5, 4066335), (7, 2904525), (9, 2259075), (13, 1563975), (15, 1355445), (21, 968175), (25, 813267), (27, 753025), (35, 580905), (39, 521325), (45, 451815), (63, 322725), (65, 312795), (75, 271089), (91, 223425), (105, 193635), (117, 173775), (135, 150605), (175, 116181), (189, 107575), (195, 104265), (225, 90363), (273, 74475), (315, 64545), (325, 62559), (331, 61425), (351, 57925), (455, 44685), (525, 38727), (585, 34755), (675, 30121), (819, 24825), (945, 21515), (975, 20853), (993, 20475), (1365, 14895), (1575, 12909), (1655, 12285), (1755, 11585), (2275, 8937), (2317, 8775), (2457, 8275), (2925, 6951), (2979, 6825), (4095, 4965), (4303, 4725)]