20148205

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{887}}^1$

素因数の和:969

約数の個数: 32

約数和(自身を含む): 30689280

約数和(自身を除く): 10541075

約数列:

[1, 5, 7, 11, 35, 55, 59, 77, 295, 385, 413, 649, 887, 2065, 3245, 4435, 4543, 6209, 9757, 22715, 31045, 48785, 52333, 68299, 261665, 341495, 366331, 575663, 1831655, 2878315, 4029641, 20148205]

約数ペア:

[(1, 20148205), (5, 4029641), (7, 2878315), (11, 1831655), (35, 575663), (55, 366331), (59, 341495), (77, 261665), (295, 68299), (385, 52333), (413, 48785), (649, 31045), (887, 22715), (2065, 9757), (3245, 6209), (4435, 4543)]