20504484

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{569}}^1$

素因数の和:610

約数の個数: 144

約数和(自身を含む): 69713280

約数和(自身を除く): 49208796

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 13, 14, 18, 21, 22, 26, 28, 33, 36, 39, 42, 44, 52, 63, 66, 77, 78, 84, 91, 99, 117, 126, 132, 143, 154, 156, 182, 198, 231, 234, 252, 273, 286, 308, 364, 396, 429, 462, 468, 546, 569, 572, 693, 819, 858, 924, 1001, 1092, 1138, 1287, 1386, 1638, 1707, 1716, 2002, 2276, 2574, 2772, 3003, 3276, 3414, 3983, 4004, 5121, 5148, 6006, 6259, 6828, 7397, 7966, 9009, 10242, 11949, 12012, 12518, 14794, 15932, 18018, 18777, 20484, 22191, 23898, 25036, 29588, 35847, 36036, 37554, 43813, 44382, 47796, 51779, 56331, 66573, 71694, 75108, 81367, 87626, 88764, 103558, 112662, 131439, 133146, 143388, 155337, 162734, 175252, 207116, 225324, 244101, 262878, 266292, 310674, 325468, 394317, 466011, 488202, 525756, 569569, 621348, 732303, 788634, 932022, 976404, 1139138, 1464606, 1577268, 1708707, 1864044, 2278276, 2929212, 3417414, 5126121, 6834828, 10252242, 20504484]

約数ペア:

[(1, 20504484), (2, 10252242), (3, 6834828), (4, 5126121), (6, 3417414), (7, 2929212), (9, 2278276), (11, 1864044), (12, 1708707), (13, 1577268), (14, 1464606), (18, 1139138), (21, 976404), (22, 932022), (26, 788634), (28, 732303), (33, 621348), (36, 569569), (39, 525756), (42, 488202), (44, 466011), (52, 394317), (63, 325468), (66, 310674), (77, 266292), (78, 262878), (84, 244101), (91, 225324), (99, 207116), (117, 175252), (126, 162734), (132, 155337), (143, 143388), (154, 133146), (156, 131439), (182, 112662), (198, 103558), (231, 88764), (234, 87626), (252, 81367), (273, 75108), (286, 71694), (308, 66573), (364, 56331), (396, 51779), (429, 47796), (462, 44382), (468, 43813), (546, 37554), (569, 36036), (572, 35847), (693, 29588), (819, 25036), (858, 23898), (924, 22191), (1001, 20484), (1092, 18777), (1138, 18018), (1287, 15932), (1386, 14794), (1638, 12518), (1707, 12012), (1716, 11949), (2002, 10242), (2276, 9009), (2574, 7966), (2772, 7397), (3003, 6828), (3276, 6259), (3414, 6006), (3983, 5148), (4004, 5121)]