20170670860

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1\times {\mathrm{57131}}^1$

素因数の和:57406

約数の個数: 48

約数和(自身を含む): 42999828480

約数和(自身を除く): 22829157620

約数列:

[1, 2, 4, 5, 10, 20, 127, 139, 254, 278, 508, 556, 635, 695, 1270, 1390, 2540, 2780, 17653, 35306, 57131, 70612, 88265, 114262, 176530, 228524, 285655, 353060, 571310, 1142620, 7255637, 7941209, 14511274, 15882418, 29022548, 31764836, 36278185, 39706045, 72556370, 79412090, 145112740, 158824180, 1008533543, 2017067086, 4034134172, 5042667715, 10085335430, 20170670860]

約数ペア:

[(1, 20170670860), (2, 10085335430), (4, 5042667715), (5, 4034134172), (10, 2017067086), (20, 1008533543), (127, 158824180), (139, 145112740), (254, 79412090), (278, 72556370), (508, 39706045), (556, 36278185), (635, 31764836), (695, 29022548), (1270, 15882418), (1390, 14511274), (2540, 7941209), (2780, 7255637), (17653, 1142620), (35306, 571310), (57131, 353060), (70612, 285655), (88265, 228524), (114262, 176530)]