20186894940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{617}}^1\times {\mathrm{3923}}^1$

素因数の和:4691

約数の個数: 96

約数和(自身を含む): 57036752640

約数和(自身を除く): 36849857700

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 139, 278, 417, 556, 617, 695, 834, 1234, 1390, 1668, 1851, 2085, 2468, 2780, 3085, 3702, 3923, 4170, 6170, 7404, 7846, 8340, 9255, 11769, 12340, 15692, 18510, 19615, 23538, 37020, 39230, 47076, 58845, 78460, 85763, 117690, 171526, 235380, 257289, 343052, 428815, 514578, 545297, 857630, 1029156, 1090594, 1286445, 1635891, 1715260, 2181188, 2420491, 2572890, 2726485, 3271782, 4840982, 5145780, 5452970, 6543564, 7261473, 8179455, 9681964, 10905940, 12102455, 14522946, 16358910, 24204910, 29045892, 32717820, 36307365, 48409820, 72614730, 145229460, 336448249, 672896498, 1009344747, 1345792996, 1682241245, 2018689494, 3364482490, 4037378988, 5046723735, 6728964980, 10093447470, 20186894940]

約数ペア:

[(1, 20186894940), (2, 10093447470), (3, 6728964980), (4, 5046723735), (5, 4037378988), (6, 3364482490), (10, 2018689494), (12, 1682241245), (15, 1345792996), (20, 1009344747), (30, 672896498), (60, 336448249), (139, 145229460), (278, 72614730), (417, 48409820), (556, 36307365), (617, 32717820), (695, 29045892), (834, 24204910), (1234, 16358910), (1390, 14522946), (1668, 12102455), (1851, 10905940), (2085, 9681964), (2468, 8179455), (2780, 7261473), (3085, 6543564), (3702, 5452970), (3923, 5145780), (4170, 4840982), (6170, 3271782), (7404, 2726485), (7846, 2572890), (8340, 2420491), (9255, 2181188), (11769, 1715260), (12340, 1635891), (15692, 1286445), (18510, 1090594), (19615, 1029156), (23538, 857630), (37020, 545297), (39230, 514578), (47076, 428815), (58845, 343052), (78460, 257289), (85763, 235380), (117690, 171526)]