20672100

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{103}}^1\times {\mathrm{223}}^1$

素因数の和:346

約数の個数: 108

約数和(自身を含む): 65718016

約数和(自身を除く): 45045916

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 103, 150, 180, 206, 223, 225, 300, 309, 412, 446, 450, 515, 618, 669, 892, 900, 927, 1030, 1115, 1236, 1338, 1545, 1854, 2007, 2060, 2230, 2575, 2676, 3090, 3345, 3708, 4014, 4460, 4635, 5150, 5575, 6180, 6690, 7725, 8028, 9270, 10035, 10300, 11150, 13380, 15450, 16725, 18540, 20070, 22300, 22969, 23175, 30900, 33450, 40140, 45938, 46350, 50175, 66900, 68907, 91876, 92700, 100350, 114845, 137814, 200700, 206721, 229690, 275628, 344535, 413442, 459380, 574225, 689070, 826884, 1033605, 1148450, 1378140, 1722675, 2067210, 2296900, 3445350, 4134420, 5168025, 6890700, 10336050, 20672100]

約数ペア:

[(1, 20672100), (2, 10336050), (3, 6890700), (4, 5168025), (5, 4134420), (6, 3445350), (9, 2296900), (10, 2067210), (12, 1722675), (15, 1378140), (18, 1148450), (20, 1033605), (25, 826884), (30, 689070), (36, 574225), (45, 459380), (50, 413442), (60, 344535), (75, 275628), (90, 229690), (100, 206721), (103, 200700), (150, 137814), (180, 114845), (206, 100350), (223, 92700), (225, 91876), (300, 68907), (309, 66900), (412, 50175), (446, 46350), (450, 45938), (515, 40140), (618, 33450), (669, 30900), (892, 23175), (900, 22969), (927, 22300), (1030, 20070), (1115, 18540), (1236, 16725), (1338, 15450), (1545, 13380), (1854, 11150), (2007, 10300), (2060, 10035), (2230, 9270), (2575, 8028), (2676, 7725), (3090, 6690), (3345, 6180), (3708, 5575), (4014, 5150), (4460, 4635)]