20906448

素因数分解:

$2^4\times 3^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{653}}^1$

素因数の和:716

約数の個数: 80

約数和(自身を含む): 58389120

約数和(自身を除く): 37482672

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 29, 46, 48, 58, 69, 87, 92, 116, 138, 174, 184, 232, 276, 348, 368, 464, 552, 653, 667, 696, 1104, 1306, 1334, 1392, 1959, 2001, 2612, 2668, 3918, 4002, 5224, 5336, 7836, 8004, 10448, 10672, 15019, 15672, 16008, 18937, 30038, 31344, 32016, 37874, 45057, 56811, 60076, 75748, 90114, 113622, 120152, 151496, 180228, 227244, 240304, 302992, 360456, 435551, 454488, 720912, 871102, 908976, 1306653, 1742204, 2613306, 3484408, 5226612, 6968816, 10453224, 20906448]

約数ペア:

[(1, 20906448), (2, 10453224), (3, 6968816), (4, 5226612), (6, 3484408), (8, 2613306), (12, 1742204), (16, 1306653), (23, 908976), (24, 871102), (29, 720912), (46, 454488), (48, 435551), (58, 360456), (69, 302992), (87, 240304), (92, 227244), (116, 180228), (138, 151496), (174, 120152), (184, 113622), (232, 90114), (276, 75748), (348, 60076), (368, 56811), (464, 45057), (552, 37874), (653, 32016), (667, 31344), (696, 30038), (1104, 18937), (1306, 16008), (1334, 15672), (1392, 15019), (1959, 10672), (2001, 10448), (2612, 8004), (2668, 7836), (3918, 5336), (4002, 5224)]