20690691835

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{829}}^1\times {\mathrm{4493}}^1$

素因数の和:5439

約数の個数: 32

約数和(自身を含む): 27393266880

約数和(自身を除く): 6702575045

約数列:

[1, 5, 11, 55, 101, 505, 829, 1111, 4145, 4493, 5555, 9119, 22465, 45595, 49423, 83729, 247115, 418645, 453793, 921019, 2268965, 3724697, 4605095, 4991723, 18623485, 24958615, 40971667, 204858335, 376194397, 1880971985, 4138138367, 20690691835]

約数ペア:

[(1, 20690691835), (5, 4138138367), (11, 1880971985), (55, 376194397), (101, 204858335), (505, 40971667), (829, 24958615), (1111, 18623485), (4145, 4991723), (4493, 4605095), (5555, 3724697), (9119, 2268965), (22465, 921019), (45595, 453793), (49423, 418645), (83729, 247115)]