20854944

素因数分解:

$2^5\times 3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{227}}^1$

素因数の和:283

約数の個数: 144

約数和(自身を含む): 67223520

約数和(自身を除く): 46368576

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 29, 32, 33, 36, 44, 48, 58, 66, 72, 87, 88, 96, 99, 116, 132, 144, 174, 176, 198, 227, 232, 261, 264, 288, 319, 348, 352, 396, 454, 464, 522, 528, 638, 681, 696, 792, 908, 928, 957, 1044, 1056, 1276, 1362, 1392, 1584, 1816, 1914, 2043, 2088, 2497, 2552, 2724, 2784, 2871, 3168, 3632, 3828, 4086, 4176, 4994, 5104, 5448, 5742, 6583, 7264, 7491, 7656, 8172, 8352, 9988, 10208, 10896, 11484, 13166, 14982, 15312, 16344, 19749, 19976, 21792, 22473, 22968, 26332, 29964, 30624, 32688, 39498, 39952, 44946, 45936, 52664, 59247, 59928, 65376, 72413, 78996, 79904, 89892, 91872, 105328, 118494, 119856, 144826, 157992, 179784, 210656, 217239, 236988, 239712, 289652, 315984, 359568, 434478, 473976, 579304, 631968, 651717, 719136, 868956, 947952, 1158608, 1303434, 1737912, 1895904, 2317216, 2606868, 3475824, 5213736, 6951648, 10427472, 20854944]

約数ペア:

[(1, 20854944), (2, 10427472), (3, 6951648), (4, 5213736), (6, 3475824), (8, 2606868), (9, 2317216), (11, 1895904), (12, 1737912), (16, 1303434), (18, 1158608), (22, 947952), (24, 868956), (29, 719136), (32, 651717), (33, 631968), (36, 579304), (44, 473976), (48, 434478), (58, 359568), (66, 315984), (72, 289652), (87, 239712), (88, 236988), (96, 217239), (99, 210656), (116, 179784), (132, 157992), (144, 144826), (174, 119856), (176, 118494), (198, 105328), (227, 91872), (232, 89892), (261, 79904), (264, 78996), (288, 72413), (319, 65376), (348, 59928), (352, 59247), (396, 52664), (454, 45936), (464, 44946), (522, 39952), (528, 39498), (638, 32688), (681, 30624), (696, 29964), (792, 26332), (908, 22968), (928, 22473), (957, 21792), (1044, 19976), (1056, 19749), (1276, 16344), (1362, 15312), (1392, 14982), (1584, 13166), (1816, 11484), (1914, 10896), (2043, 10208), (2088, 9988), (2497, 8352), (2552, 8172), (2724, 7656), (2784, 7491), (2871, 7264), (3168, 6583), (3632, 5742), (3828, 5448), (4086, 5104), (4176, 4994)]