20749350

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:214

約数の個数: 96

約数和(自身を含む): 55710720

約数和(自身を除く): 34961370

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 25, 30, 34, 50, 51, 75, 79, 85, 102, 103, 150, 158, 170, 206, 237, 255, 309, 395, 425, 474, 510, 515, 618, 790, 850, 1030, 1185, 1275, 1343, 1545, 1751, 1975, 2370, 2550, 2575, 2686, 3090, 3502, 3950, 4029, 5150, 5253, 5925, 6715, 7725, 8058, 8137, 8755, 10506, 11850, 13430, 15450, 16274, 17510, 20145, 24411, 26265, 33575, 40290, 40685, 43775, 48822, 52530, 67150, 81370, 87550, 100725, 122055, 131325, 138329, 201450, 203425, 244110, 262650, 276658, 406850, 414987, 610275, 691645, 829974, 1220550, 1383290, 2074935, 3458225, 4149870, 6916450, 10374675, 20749350]

約数ペア:

[(1, 20749350), (2, 10374675), (3, 6916450), (5, 4149870), (6, 3458225), (10, 2074935), (15, 1383290), (17, 1220550), (25, 829974), (30, 691645), (34, 610275), (50, 414987), (51, 406850), (75, 276658), (79, 262650), (85, 244110), (102, 203425), (103, 201450), (150, 138329), (158, 131325), (170, 122055), (206, 100725), (237, 87550), (255, 81370), (309, 67150), (395, 52530), (425, 48822), (474, 43775), (510, 40685), (515, 40290), (618, 33575), (790, 26265), (850, 24411), (1030, 20145), (1185, 17510), (1275, 16274), (1343, 15450), (1545, 13430), (1751, 11850), (1975, 10506), (2370, 8755), (2550, 8137), (2575, 8058), (2686, 7725), (3090, 6715), (3502, 5925), (3950, 5253), (4029, 5150)]