20574456

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1$

素因数の和:189

約数の個数: 128

約数和(自身を含む): 62899200

約数和(自身を除く): 42324744

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 29, 41, 42, 56, 58, 82, 84, 87, 103, 116, 123, 164, 168, 174, 203, 206, 232, 246, 287, 309, 328, 348, 406, 412, 492, 574, 609, 618, 696, 721, 812, 824, 861, 984, 1148, 1189, 1218, 1236, 1442, 1624, 1722, 2163, 2296, 2378, 2436, 2472, 2884, 2987, 3444, 3567, 4223, 4326, 4756, 4872, 5768, 5974, 6888, 7134, 8323, 8446, 8652, 8961, 9512, 11948, 12669, 14268, 16646, 16892, 17304, 17922, 20909, 23896, 24969, 25338, 28536, 29561, 33292, 33784, 35844, 41818, 49938, 50676, 59122, 62727, 66584, 71688, 83636, 88683, 99876, 101352, 118244, 122467, 125454, 167272, 177366, 199752, 236488, 244934, 250908, 354732, 367401, 489868, 501816, 709464, 734802, 857269, 979736, 1469604, 1714538, 2571807, 2939208, 3429076, 5143614, 6858152, 10287228, 20574456]

約数ペア:

[(1, 20574456), (2, 10287228), (3, 6858152), (4, 5143614), (6, 3429076), (7, 2939208), (8, 2571807), (12, 1714538), (14, 1469604), (21, 979736), (24, 857269), (28, 734802), (29, 709464), (41, 501816), (42, 489868), (56, 367401), (58, 354732), (82, 250908), (84, 244934), (87, 236488), (103, 199752), (116, 177366), (123, 167272), (164, 125454), (168, 122467), (174, 118244), (203, 101352), (206, 99876), (232, 88683), (246, 83636), (287, 71688), (309, 66584), (328, 62727), (348, 59122), (406, 50676), (412, 49938), (492, 41818), (574, 35844), (609, 33784), (618, 33292), (696, 29561), (721, 28536), (812, 25338), (824, 24969), (861, 23896), (984, 20909), (1148, 17922), (1189, 17304), (1218, 16892), (1236, 16646), (1442, 14268), (1624, 12669), (1722, 11948), (2163, 9512), (2296, 8961), (2378, 8652), (2436, 8446), (2472, 8323), (2884, 7134), (2987, 6888), (3444, 5974), (3567, 5768), (4223, 4872), (4326, 4756)]