20734586992

素因数分解:

$2^4\times 7^1\times {\mathrm{173}}^1\times {\mathrm{229}}^1\times {\mathrm{4673}}^1$

素因数の和:5090

約数の個数: 80

約数和(自身を含む): 46389263040

約数和(自身を除く): 25654676048

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 173, 229, 346, 458, 692, 916, 1211, 1384, 1603, 1832, 2422, 2768, 3206, 3664, 4673, 4844, 6412, 9346, 9688, 12824, 18692, 19376, 25648, 32711, 37384, 39617, 65422, 74768, 79234, 130844, 158468, 261688, 277319, 316936, 523376, 554638, 633872, 808429, 1070117, 1109276, 1616858, 2140234, 2218552, 3233716, 4280468, 4437104, 5659003, 6467432, 7490819, 8560936, 11318006, 12934864, 14981638, 17121872, 22636012, 29963276, 45272024, 59926552, 90544048, 119853104, 185130241, 370260482, 740520964, 1295911687, 1481041928, 2591823374, 2962083856, 5183646748, 10367293496, 20734586992]

約数ペア:

[(1, 20734586992), (2, 10367293496), (4, 5183646748), (7, 2962083856), (8, 2591823374), (14, 1481041928), (16, 1295911687), (28, 740520964), (56, 370260482), (112, 185130241), (173, 119853104), (229, 90544048), (346, 59926552), (458, 45272024), (692, 29963276), (916, 22636012), (1211, 17121872), (1384, 14981638), (1603, 12934864), (1832, 11318006), (2422, 8560936), (2768, 7490819), (3206, 6467432), (3664, 5659003), (4673, 4437104), (4844, 4280468), (6412, 3233716), (9346, 2218552), (9688, 2140234), (12824, 1616858), (18692, 1109276), (19376, 1070117), (25648, 808429), (32711, 633872), (37384, 554638), (39617, 523376), (65422, 316936), (74768, 277319), (79234, 261688), (130844, 158468)]