20120778650

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3025681}}^1$

素因数の和:3025719

約数の個数: 48

約数和(自身を含む): 45022148160

約数和(自身を除く): 24901369510

約数列:

[1, 2, 5, 7, 10, 14, 19, 25, 35, 38, 50, 70, 95, 133, 175, 190, 266, 350, 475, 665, 950, 1330, 3325, 6650, 3025681, 6051362, 15128405, 21179767, 30256810, 42359534, 57487939, 75642025, 105898835, 114975878, 151284050, 211797670, 287439695, 402415573, 529494175, 574879390, 804831146, 1058988350, 1437198475, 2012077865, 2874396950, 4024155730, 10060389325, 20120778650]

約数ペア:

[(1, 20120778650), (2, 10060389325), (5, 4024155730), (7, 2874396950), (10, 2012077865), (14, 1437198475), (19, 1058988350), (25, 804831146), (35, 574879390), (38, 529494175), (50, 402415573), (70, 287439695), (95, 211797670), (133, 151284050), (175, 114975878), (190, 105898835), (266, 75642025), (350, 57487939), (475, 42359534), (665, 30256810), (950, 21179767), (1330, 15128405), (3325, 6051362), (6650, 3025681)]