20189274912

素因数分解:

$2^5\times 3^2\times {\mathrm{443}}^1\times {\mathrm{158243}}^1$

素因数の和:158702

約数の個数: 72

約数和(自身を含む): 57543215184

約数和(自身を除く): 37353940272

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 443, 886, 1329, 1772, 2658, 3544, 3987, 5316, 7088, 7974, 10632, 14176, 15948, 21264, 31896, 42528, 63792, 127584, 158243, 316486, 474729, 632972, 949458, 1265944, 1424187, 1898916, 2531888, 2848374, 3797832, 5063776, 5696748, 7595664, 11393496, 15191328, 22786992, 45573984, 70101649, 140203298, 210304947, 280406596, 420609894, 560813192, 630914841, 841219788, 1121626384, 1261829682, 1682439576, 2243252768, 2523659364, 3364879152, 5047318728, 6729758304, 10094637456, 20189274912]

約数ペア:

[(1, 20189274912), (2, 10094637456), (3, 6729758304), (4, 5047318728), (6, 3364879152), (8, 2523659364), (9, 2243252768), (12, 1682439576), (16, 1261829682), (18, 1121626384), (24, 841219788), (32, 630914841), (36, 560813192), (48, 420609894), (72, 280406596), (96, 210304947), (144, 140203298), (288, 70101649), (443, 45573984), (886, 22786992), (1329, 15191328), (1772, 11393496), (2658, 7595664), (3544, 5696748), (3987, 5063776), (5316, 3797832), (7088, 2848374), (7974, 2531888), (10632, 1898916), (14176, 1424187), (15948, 1265944), (21264, 949458), (31896, 632972), (42528, 474729), (63792, 316486), (127584, 158243)]