20104704578

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{6203}}^1\times {\mathrm{6257}}^1$

素因数の和:12506

約数の個数: 32

約数和(自身を含む): 35408064384

約数和(自身を除く): 15303359806

約数列:

[1, 2, 7, 14, 37, 74, 259, 518, 6203, 6257, 12406, 12514, 43421, 43799, 86842, 87598, 229511, 231509, 459022, 463018, 1606577, 1620563, 3213154, 3241126, 38812171, 77624342, 271685197, 543370394, 1436050327, 2872100654, 10052352289, 20104704578]

約数ペア:

[(1, 20104704578), (2, 10052352289), (7, 2872100654), (14, 1436050327), (37, 543370394), (74, 271685197), (259, 77624342), (518, 38812171), (6203, 3241126), (6257, 3213154), (12406, 1620563), (12514, 1606577), (43421, 463018), (43799, 459022), (86842, 231509), (87598, 229511)]