20615784

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{41}}^2\times {\mathrm{73}}^1$

素因数の和:171

約数の個数: 96

約数和(自身を含む): 61200960

約数和(自身を除く): 40585176

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 41, 42, 56, 73, 82, 84, 123, 146, 164, 168, 219, 246, 287, 292, 328, 438, 492, 511, 574, 584, 861, 876, 984, 1022, 1148, 1533, 1681, 1722, 1752, 2044, 2296, 2993, 3066, 3362, 3444, 4088, 5043, 5986, 6132, 6724, 6888, 8979, 10086, 11767, 11972, 12264, 13448, 17958, 20172, 20951, 23534, 23944, 35301, 35916, 40344, 41902, 47068, 62853, 70602, 71832, 83804, 94136, 122713, 125706, 141204, 167608, 245426, 251412, 282408, 368139, 490852, 502824, 736278, 858991, 981704, 1472556, 1717982, 2576973, 2945112, 3435964, 5153946, 6871928, 10307892, 20615784]

約数ペア:

[(1, 20615784), (2, 10307892), (3, 6871928), (4, 5153946), (6, 3435964), (7, 2945112), (8, 2576973), (12, 1717982), (14, 1472556), (21, 981704), (24, 858991), (28, 736278), (41, 502824), (42, 490852), (56, 368139), (73, 282408), (82, 251412), (84, 245426), (123, 167608), (146, 141204), (164, 125706), (168, 122713), (219, 94136), (246, 83804), (287, 71832), (292, 70602), (328, 62853), (438, 47068), (492, 41902), (511, 40344), (574, 35916), (584, 35301), (861, 23944), (876, 23534), (984, 20951), (1022, 20172), (1148, 17958), (1533, 13448), (1681, 12264), (1722, 11972), (1752, 11767), (2044, 10086), (2296, 8979), (2993, 6888), (3066, 6724), (3362, 6132), (3444, 5986), (4088, 5043)]