20486550

素因数分解:

$2^1\times 3^1\times 5^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{179}}^1$

素因数の和:310

約数の個数: 96

約数和(自身を含む): 58924800

約数和(自身を除く): 38438250

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 50, 70, 75, 105, 109, 150, 175, 179, 210, 218, 327, 350, 358, 525, 537, 545, 654, 763, 895, 1050, 1074, 1090, 1253, 1526, 1635, 1790, 2289, 2506, 2685, 2725, 3270, 3759, 3815, 4475, 4578, 5370, 5450, 6265, 7518, 7630, 8175, 8950, 11445, 12530, 13425, 16350, 18795, 19075, 19511, 22890, 26850, 31325, 37590, 38150, 39022, 57225, 58533, 62650, 93975, 97555, 114450, 117066, 136577, 187950, 195110, 273154, 292665, 409731, 487775, 585330, 682885, 819462, 975550, 1365770, 1463325, 2048655, 2926650, 3414425, 4097310, 6828850, 10243275, 20486550]

約数ペア:

[(1, 20486550), (2, 10243275), (3, 6828850), (5, 4097310), (6, 3414425), (7, 2926650), (10, 2048655), (14, 1463325), (15, 1365770), (21, 975550), (25, 819462), (30, 682885), (35, 585330), (42, 487775), (50, 409731), (70, 292665), (75, 273154), (105, 195110), (109, 187950), (150, 136577), (175, 117066), (179, 114450), (210, 97555), (218, 93975), (327, 62650), (350, 58533), (358, 57225), (525, 39022), (537, 38150), (545, 37590), (654, 31325), (763, 26850), (895, 22890), (1050, 19511), (1074, 19075), (1090, 18795), (1253, 16350), (1526, 13425), (1635, 12530), (1790, 11445), (2289, 8950), (2506, 8175), (2685, 7630), (2725, 7518), (3270, 6265), (3759, 5450), (3815, 5370), (4475, 4578)]