20978832

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{2153}}^1$

素因数の和:2200

約数の個数: 80

約数和(自身を含む): 64103040

約数和(自身を除く): 43124208

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 29, 42, 48, 56, 58, 84, 87, 112, 116, 168, 174, 203, 232, 336, 348, 406, 464, 609, 696, 812, 1218, 1392, 1624, 2153, 2436, 3248, 4306, 4872, 6459, 8612, 9744, 12918, 15071, 17224, 25836, 30142, 34448, 45213, 51672, 60284, 62437, 90426, 103344, 120568, 124874, 180852, 187311, 241136, 249748, 361704, 374622, 437059, 499496, 723408, 749244, 874118, 998992, 1311177, 1498488, 1748236, 2622354, 2996976, 3496472, 5244708, 6992944, 10489416, 20978832]

約数ペア:

[(1, 20978832), (2, 10489416), (3, 6992944), (4, 5244708), (6, 3496472), (7, 2996976), (8, 2622354), (12, 1748236), (14, 1498488), (16, 1311177), (21, 998992), (24, 874118), (28, 749244), (29, 723408), (42, 499496), (48, 437059), (56, 374622), (58, 361704), (84, 249748), (87, 241136), (112, 187311), (116, 180852), (168, 124874), (174, 120568), (203, 103344), (232, 90426), (336, 62437), (348, 60284), (406, 51672), (464, 45213), (609, 34448), (696, 30142), (812, 25836), (1218, 17224), (1392, 15071), (1624, 12918), (2153, 9744), (2436, 8612), (3248, 6459), (4306, 4872)]