20272945

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{4787}}^1$

素因数の和:4821

約数の個数: 24

約数和(自身を含む): 30566592

約数和(自身を除く): 10293647

約数列:

[1, 5, 7, 11, 35, 55, 77, 121, 385, 605, 847, 4235, 4787, 23935, 33509, 52657, 167545, 263285, 368599, 579227, 1842995, 2896135, 4054589, 20272945]

約数ペア:

[(1, 20272945), (5, 4054589), (7, 2896135), (11, 1842995), (35, 579227), (55, 368599), (77, 263285), (121, 167545), (385, 52657), (605, 33509), (847, 23935), (4235, 4787)]