20149493045

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{549257}}^1$

素因数の和:549325

約数の個数: 32

約数和(自身を含む): 28473534720

約数和(自身を除く): 8324041675

約数列:

[1, 5, 11, 23, 29, 55, 115, 145, 253, 319, 667, 1265, 1595, 3335, 7337, 36685, 549257, 2746285, 6041827, 12632911, 15928453, 30209135, 63164555, 79642265, 138962021, 175212983, 366354419, 694810105, 876064915, 1831772095, 4029898609, 20149493045]

約数ペア:

[(1, 20149493045), (5, 4029898609), (11, 1831772095), (23, 876064915), (29, 694810105), (55, 366354419), (115, 175212983), (145, 138962021), (253, 79642265), (319, 63164555), (667, 30209135), (1265, 15928453), (1595, 12632911), (3335, 6041827), (7337, 2746285), (36685, 549257)]