20883408

素因数分解:

$2^4\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{683}}^1$

素因数の和:721

約数の個数: 120

約数和(自身を含む): 67683168

約数和(自身を除く): 46799760

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 39, 42, 48, 49, 52, 56, 78, 84, 91, 98, 104, 112, 147, 156, 168, 182, 196, 208, 273, 294, 312, 336, 364, 392, 546, 588, 624, 637, 683, 728, 784, 1092, 1176, 1274, 1366, 1456, 1911, 2049, 2184, 2352, 2548, 2732, 3822, 4098, 4368, 4781, 5096, 5464, 7644, 8196, 8879, 9562, 10192, 10928, 14343, 15288, 16392, 17758, 19124, 26637, 28686, 30576, 32784, 33467, 35516, 38248, 53274, 57372, 62153, 66934, 71032, 76496, 100401, 106548, 114744, 124306, 133868, 142064, 186459, 200802, 213096, 229488, 248612, 267736, 372918, 401604, 426192, 435071, 497224, 535472, 745836, 803208, 870142, 994448, 1305213, 1491672, 1606416, 1740284, 2610426, 2983344, 3480568, 5220852, 6961136, 10441704, 20883408]

約数ペア:

[(1, 20883408), (2, 10441704), (3, 6961136), (4, 5220852), (6, 3480568), (7, 2983344), (8, 2610426), (12, 1740284), (13, 1606416), (14, 1491672), (16, 1305213), (21, 994448), (24, 870142), (26, 803208), (28, 745836), (39, 535472), (42, 497224), (48, 435071), (49, 426192), (52, 401604), (56, 372918), (78, 267736), (84, 248612), (91, 229488), (98, 213096), (104, 200802), (112, 186459), (147, 142064), (156, 133868), (168, 124306), (182, 114744), (196, 106548), (208, 100401), (273, 76496), (294, 71032), (312, 66934), (336, 62153), (364, 57372), (392, 53274), (546, 38248), (588, 35516), (624, 33467), (637, 32784), (683, 30576), (728, 28686), (784, 26637), (1092, 19124), (1176, 17758), (1274, 16392), (1366, 15288), (1456, 14343), (1911, 10928), (2049, 10192), (2184, 9562), (2352, 8879), (2548, 8196), (2732, 7644), (3822, 5464), (4098, 5096), (4368, 4781)]