20155334990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{2071463}}^1$

素因数の和:2071616

約数の個数: 32

約数和(自身を含む): 41760714240

約数和(自身を除く): 21605379250

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 139, 278, 695, 973, 1390, 1946, 4865, 9730, 2071463, 4142926, 10357315, 14500241, 20714630, 29000482, 72501205, 145002410, 287933357, 575866714, 1439666785, 2015533499, 2879333570, 4031066998, 10077667495, 20155334990]

約数ペア:

[(1, 20155334990), (2, 10077667495), (5, 4031066998), (7, 2879333570), (10, 2015533499), (14, 1439666785), (35, 575866714), (70, 287933357), (139, 145002410), (278, 72501205), (695, 29000482), (973, 20714630), (1390, 14500241), (1946, 10357315), (4865, 4142926), (9730, 2071463)]