20748456

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{523}}^1$

素因数の和:583

約数の個数: 96

約数和(自身を含む): 61308000

約数和(自身を除く): 40559544

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 29, 36, 38, 57, 58, 72, 76, 87, 114, 116, 152, 171, 174, 228, 232, 261, 342, 348, 456, 522, 523, 551, 684, 696, 1044, 1046, 1102, 1368, 1569, 1653, 2088, 2092, 2204, 3138, 3306, 4184, 4408, 4707, 4959, 6276, 6612, 9414, 9918, 9937, 12552, 13224, 15167, 18828, 19836, 19874, 29811, 30334, 37656, 39672, 39748, 45501, 59622, 60668, 79496, 89433, 91002, 119244, 121336, 136503, 178866, 182004, 238488, 273006, 288173, 357732, 364008, 546012, 576346, 715464, 864519, 1092024, 1152692, 1729038, 2305384, 2593557, 3458076, 5187114, 6916152, 10374228, 20748456]

約数ペア:

[(1, 20748456), (2, 10374228), (3, 6916152), (4, 5187114), (6, 3458076), (8, 2593557), (9, 2305384), (12, 1729038), (18, 1152692), (19, 1092024), (24, 864519), (29, 715464), (36, 576346), (38, 546012), (57, 364008), (58, 357732), (72, 288173), (76, 273006), (87, 238488), (114, 182004), (116, 178866), (152, 136503), (171, 121336), (174, 119244), (228, 91002), (232, 89433), (261, 79496), (342, 60668), (348, 59622), (456, 45501), (522, 39748), (523, 39672), (551, 37656), (684, 30334), (696, 29811), (1044, 19874), (1046, 19836), (1102, 18828), (1368, 15167), (1569, 13224), (1653, 12552), (2088, 9937), (2092, 9918), (2204, 9414), (3138, 6612), (3306, 6276), (4184, 4959), (4408, 4707)]