20746944

素因数分解:

$2^6\times 3^2\times {\mathrm{181}}^1\times {\mathrm{199}}^1$

素因数の和:398

約数の個数: 84

約数和(自身を含む): 60096400

約数和(自身を除く): 39349456

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 144, 181, 192, 199, 288, 362, 398, 543, 576, 597, 724, 796, 1086, 1194, 1448, 1592, 1629, 1791, 2172, 2388, 2896, 3184, 3258, 3582, 4344, 4776, 5792, 6368, 6516, 7164, 8688, 9552, 11584, 12736, 13032, 14328, 17376, 19104, 26064, 28656, 34752, 36019, 38208, 52128, 57312, 72038, 104256, 108057, 114624, 144076, 216114, 288152, 324171, 432228, 576304, 648342, 864456, 1152608, 1296684, 1728912, 2305216, 2593368, 3457824, 5186736, 6915648, 10373472, 20746944]

約数ペア:

[(1, 20746944), (2, 10373472), (3, 6915648), (4, 5186736), (6, 3457824), (8, 2593368), (9, 2305216), (12, 1728912), (16, 1296684), (18, 1152608), (24, 864456), (32, 648342), (36, 576304), (48, 432228), (64, 324171), (72, 288152), (96, 216114), (144, 144076), (181, 114624), (192, 108057), (199, 104256), (288, 72038), (362, 57312), (398, 52128), (543, 38208), (576, 36019), (597, 34752), (724, 28656), (796, 26064), (1086, 19104), (1194, 17376), (1448, 14328), (1592, 13032), (1629, 12736), (1791, 11584), (2172, 9552), (2388, 8688), (2896, 7164), (3184, 6516), (3258, 6368), (3582, 5792), (4344, 4776)]