20195252

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1$

素因数の和:94

約数の個数: 144

約数和(自身を含む): 51710400

約数和(自身を除く): 31515148

約数列:

[1, 2, 4, 7, 11, 14, 17, 19, 22, 28, 29, 34, 38, 44, 49, 58, 68, 76, 77, 98, 116, 119, 133, 154, 187, 196, 203, 209, 238, 266, 308, 319, 323, 374, 406, 418, 476, 493, 532, 539, 551, 638, 646, 748, 812, 833, 836, 931, 986, 1078, 1102, 1276, 1292, 1309, 1421, 1463, 1666, 1862, 1972, 2156, 2204, 2233, 2261, 2618, 2842, 2926, 3332, 3451, 3553, 3724, 3857, 4466, 4522, 5236, 5423, 5684, 5852, 6061, 6902, 7106, 7714, 8932, 9044, 9163, 9367, 10241, 10846, 12122, 13804, 14212, 15428, 15631, 15827, 18326, 18734, 20482, 21692, 24157, 24244, 24871, 26999, 31262, 31654, 36652, 37468, 37961, 40964, 42427, 48314, 49742, 53998, 62524, 63308, 65569, 75922, 84854, 96628, 99484, 103037, 107996, 131138, 151844, 169708, 174097, 206074, 262276, 265727, 296989, 348194, 412148, 458983, 531454, 593978, 696388, 721259, 917966, 1062908, 1187956, 1442518, 1835932, 2885036, 5048813, 10097626, 20195252]

約数ペア:

[(1, 20195252), (2, 10097626), (4, 5048813), (7, 2885036), (11, 1835932), (14, 1442518), (17, 1187956), (19, 1062908), (22, 917966), (28, 721259), (29, 696388), (34, 593978), (38, 531454), (44, 458983), (49, 412148), (58, 348194), (68, 296989), (76, 265727), (77, 262276), (98, 206074), (116, 174097), (119, 169708), (133, 151844), (154, 131138), (187, 107996), (196, 103037), (203, 99484), (209, 96628), (238, 84854), (266, 75922), (308, 65569), (319, 63308), (323, 62524), (374, 53998), (406, 49742), (418, 48314), (476, 42427), (493, 40964), (532, 37961), (539, 37468), (551, 36652), (638, 31654), (646, 31262), (748, 26999), (812, 24871), (833, 24244), (836, 24157), (931, 21692), (986, 20482), (1078, 18734), (1102, 18326), (1276, 15827), (1292, 15631), (1309, 15428), (1421, 14212), (1463, 13804), (1666, 12122), (1862, 10846), (1972, 10241), (2156, 9367), (2204, 9163), (2233, 9044), (2261, 8932), (2618, 7714), (2842, 7106), (2926, 6902), (3332, 6061), (3451, 5852), (3553, 5684), (3724, 5423), (3857, 5236), (4466, 4522)]