20188728

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{977}}^1$

素因数の和:1037

約数の個数: 96

約数和(自身を含む): 64078560

約数和(自身を除く): 43889832

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 41, 42, 56, 63, 72, 82, 84, 123, 126, 164, 168, 246, 252, 287, 328, 369, 492, 504, 574, 738, 861, 977, 984, 1148, 1476, 1722, 1954, 2296, 2583, 2931, 2952, 3444, 3908, 5166, 5862, 6839, 6888, 7816, 8793, 10332, 11724, 13678, 17586, 20517, 20664, 23448, 27356, 35172, 40057, 41034, 54712, 61551, 70344, 80114, 82068, 120171, 123102, 160228, 164136, 240342, 246204, 280399, 320456, 360513, 480684, 492408, 560798, 721026, 841197, 961368, 1121596, 1442052, 1682394, 2243192, 2523591, 2884104, 3364788, 5047182, 6729576, 10094364, 20188728]

約数ペア:

[(1, 20188728), (2, 10094364), (3, 6729576), (4, 5047182), (6, 3364788), (7, 2884104), (8, 2523591), (9, 2243192), (12, 1682394), (14, 1442052), (18, 1121596), (21, 961368), (24, 841197), (28, 721026), (36, 560798), (41, 492408), (42, 480684), (56, 360513), (63, 320456), (72, 280399), (82, 246204), (84, 240342), (123, 164136), (126, 160228), (164, 123102), (168, 120171), (246, 82068), (252, 80114), (287, 70344), (328, 61551), (369, 54712), (492, 41034), (504, 40057), (574, 35172), (738, 27356), (861, 23448), (977, 20664), (984, 20517), (1148, 17586), (1476, 13678), (1722, 11724), (1954, 10332), (2296, 8793), (2583, 7816), (2931, 6888), (2952, 6839), (3444, 5862), (3908, 5166)]