20167808780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{727}}^1\times {\mathrm{10429}}^1$

素因数の和:11191

約数の個数: 96

約数和(自身を含む): 51025228800

約数和(自身を除く): 30857420020

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 727, 1330, 1454, 2660, 2908, 3635, 5089, 7270, 10178, 10429, 13813, 14540, 20356, 20858, 25445, 27626, 41716, 50890, 52145, 55252, 69065, 73003, 96691, 101780, 104290, 138130, 146006, 193382, 198151, 208580, 276260, 292012, 365015, 386764, 396302, 483455, 730030, 792604, 966910, 990755, 1387057, 1460060, 1933820, 1981510, 2774114, 3963020, 5548228, 6935285, 7581883, 13870570, 15163766, 27741140, 30327532, 37909415, 53073181, 75818830, 106146362, 144055777, 151637660, 212292724, 265365905, 288111554, 530731810, 576223108, 720278885, 1008390439, 1061463620, 1440557770, 2016780878, 2881115540, 4033561756, 5041952195, 10083904390, 20167808780]

約数ペア:

[(1, 20167808780), (2, 10083904390), (4, 5041952195), (5, 4033561756), (7, 2881115540), (10, 2016780878), (14, 1440557770), (19, 1061463620), (20, 1008390439), (28, 720278885), (35, 576223108), (38, 530731810), (70, 288111554), (76, 265365905), (95, 212292724), (133, 151637660), (140, 144055777), (190, 106146362), (266, 75818830), (380, 53073181), (532, 37909415), (665, 30327532), (727, 27741140), (1330, 15163766), (1454, 13870570), (2660, 7581883), (2908, 6935285), (3635, 5548228), (5089, 3963020), (7270, 2774114), (10178, 1981510), (10429, 1933820), (13813, 1460060), (14540, 1387057), (20356, 990755), (20858, 966910), (25445, 792604), (27626, 730030), (41716, 483455), (50890, 396302), (52145, 386764), (55252, 365015), (69065, 292012), (73003, 276260), (96691, 208580), (101780, 198151), (104290, 193382), (138130, 146006)]