20286196

素因数分解:

$2^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1$

素因数の和:173

約数の個数: 72

約数和(自身を含む): 44241120

約数和(自身を除く): 23954924

約数列:

[1, 2, 4, 7, 14, 28, 29, 43, 49, 58, 83, 86, 98, 116, 166, 172, 196, 203, 301, 332, 406, 581, 602, 812, 1162, 1204, 1247, 1421, 2107, 2324, 2407, 2494, 2842, 3569, 4067, 4214, 4814, 4988, 5684, 7138, 8134, 8428, 8729, 9628, 14276, 16268, 16849, 17458, 24983, 33698, 34916, 49966, 61103, 67396, 99932, 103501, 117943, 122206, 174881, 207002, 235886, 244412, 349762, 414004, 471772, 699524, 724507, 1449014, 2898028, 5071549, 10143098, 20286196]

約数ペア:

[(1, 20286196), (2, 10143098), (4, 5071549), (7, 2898028), (14, 1449014), (28, 724507), (29, 699524), (43, 471772), (49, 414004), (58, 349762), (83, 244412), (86, 235886), (98, 207002), (116, 174881), (166, 122206), (172, 117943), (196, 103501), (203, 99932), (301, 67396), (332, 61103), (406, 49966), (581, 34916), (602, 33698), (812, 24983), (1162, 17458), (1204, 16849), (1247, 16268), (1421, 14276), (2107, 9628), (2324, 8729), (2407, 8428), (2494, 8134), (2842, 7138), (3569, 5684), (4067, 4988), (4214, 4814)]