20088043150

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{644881}}^1$

素因数の和:644989

約数の個数: 48

約数和(自身を含む): 43181298720

約数和(自身を除く): 23093255570

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 89, 175, 178, 350, 445, 623, 890, 1246, 2225, 3115, 4450, 6230, 15575, 31150, 644881, 1289762, 3224405, 4514167, 6448810, 9028334, 16122025, 22570835, 32244050, 45141670, 57394409, 112854175, 114788818, 225708350, 286972045, 401760863, 573944090, 803521726, 1434860225, 2008804315, 2869720450, 4017608630, 10044021575, 20088043150]

約数ペア:

[(1, 20088043150), (2, 10044021575), (5, 4017608630), (7, 2869720450), (10, 2008804315), (14, 1434860225), (25, 803521726), (35, 573944090), (50, 401760863), (70, 286972045), (89, 225708350), (175, 114788818), (178, 112854175), (350, 57394409), (445, 45141670), (623, 32244050), (890, 22570835), (1246, 16122025), (2225, 9028334), (3115, 6448810), (4450, 4514167), (6230, 3224405), (15575, 1289762), (31150, 644881)]