20494752

素因数分解:

$2^5\times 3^1\times {\mathrm{41}}^2\times {\mathrm{127}}^1$

素因数の和:222

約数の個数: 72

約数和(自身を含む): 55577088

約数和(自身を除く): 35082336

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 41, 48, 82, 96, 123, 127, 164, 246, 254, 328, 381, 492, 508, 656, 762, 984, 1016, 1312, 1524, 1681, 1968, 2032, 3048, 3362, 3936, 4064, 5043, 5207, 6096, 6724, 10086, 10414, 12192, 13448, 15621, 20172, 20828, 26896, 31242, 40344, 41656, 53792, 62484, 80688, 83312, 124968, 161376, 166624, 213487, 249936, 426974, 499872, 640461, 853948, 1280922, 1707896, 2561844, 3415792, 5123688, 6831584, 10247376, 20494752]

約数ペア:

[(1, 20494752), (2, 10247376), (3, 6831584), (4, 5123688), (6, 3415792), (8, 2561844), (12, 1707896), (16, 1280922), (24, 853948), (32, 640461), (41, 499872), (48, 426974), (82, 249936), (96, 213487), (123, 166624), (127, 161376), (164, 124968), (246, 83312), (254, 80688), (328, 62484), (381, 53792), (492, 41656), (508, 40344), (656, 31242), (762, 26896), (984, 20828), (1016, 20172), (1312, 15621), (1524, 13448), (1681, 12192), (1968, 10414), (2032, 10086), (3048, 6724), (3362, 6096), (3936, 5207), (4064, 5043)]