20398368

素因数分解:

$2^5\times 3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{431}}^1$

素因数の和:490

約数の個数: 96

約数和(自身を含む): 58786560

約数和(自身を除く): 38388192

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 29, 32, 34, 48, 51, 58, 68, 87, 96, 102, 116, 136, 174, 204, 232, 272, 348, 408, 431, 464, 493, 544, 696, 816, 862, 928, 986, 1293, 1392, 1479, 1632, 1724, 1972, 2586, 2784, 2958, 3448, 3944, 5172, 5916, 6896, 7327, 7888, 10344, 11832, 12499, 13792, 14654, 15776, 20688, 21981, 23664, 24998, 29308, 37497, 41376, 43962, 47328, 49996, 58616, 74994, 87924, 99992, 117232, 149988, 175848, 199984, 212483, 234464, 299976, 351696, 399968, 424966, 599952, 637449, 703392, 849932, 1199904, 1274898, 1699864, 2549796, 3399728, 5099592, 6799456, 10199184, 20398368]

約数ペア:

[(1, 20398368), (2, 10199184), (3, 6799456), (4, 5099592), (6, 3399728), (8, 2549796), (12, 1699864), (16, 1274898), (17, 1199904), (24, 849932), (29, 703392), (32, 637449), (34, 599952), (48, 424966), (51, 399968), (58, 351696), (68, 299976), (87, 234464), (96, 212483), (102, 199984), (116, 175848), (136, 149988), (174, 117232), (204, 99992), (232, 87924), (272, 74994), (348, 58616), (408, 49996), (431, 47328), (464, 43962), (493, 41376), (544, 37497), (696, 29308), (816, 24998), (862, 23664), (928, 21981), (986, 20688), (1293, 15776), (1392, 14654), (1479, 13792), (1632, 12499), (1724, 11832), (1972, 10344), (2586, 7888), (2784, 7327), (2958, 6896), (3448, 5916), (3944, 5172)]