20145121438

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{971}}^1\times {\mathrm{61381}}^1$

素因数の和:62380

約数の個数: 24

約数和(自身を含む): 32755153896

約数和(自身を除く): 12610032458

約数列:

[1, 2, 13, 26, 169, 338, 971, 1942, 12623, 25246, 61381, 122762, 164099, 328198, 797953, 1595906, 10373389, 20746778, 59600951, 119201902, 774812363, 1549624726, 10072560719, 20145121438]

約数ペア:

[(1, 20145121438), (2, 10072560719), (13, 1549624726), (26, 774812363), (169, 119201902), (338, 59600951), (971, 20746778), (1942, 10373389), (12623, 1595906), (25246, 797953), (61381, 328198), (122762, 164099)]