20287082116

素因数分解:

$2^2\times 7^3\times {\mathrm{19}}^1\times {\mathrm{778237}}^1$

素因数の和:778281

約数の個数: 48

約数和(自身を含む): 43581328000

約数和(自身を除く): 23294245884

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 98, 133, 196, 266, 343, 532, 686, 931, 1372, 1862, 3724, 6517, 13034, 26068, 778237, 1556474, 3112948, 5447659, 10895318, 14786503, 21790636, 29573006, 38133613, 59146012, 76267226, 103505521, 152534452, 207011042, 266935291, 414022084, 533870582, 724538647, 1067741164, 1449077294, 2898154588, 5071770529, 10143541058, 20287082116]

約数ペア:

[(1, 20287082116), (2, 10143541058), (4, 5071770529), (7, 2898154588), (14, 1449077294), (19, 1067741164), (28, 724538647), (38, 533870582), (49, 414022084), (76, 266935291), (98, 207011042), (133, 152534452), (196, 103505521), (266, 76267226), (343, 59146012), (532, 38133613), (686, 29573006), (931, 21790636), (1372, 14786503), (1862, 10895318), (3724, 5447659), (6517, 3112948), (13034, 1556474), (26068, 778237)]