20669397918

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{691}}^1\times {\mathrm{1987}}^1$

素因数の和:2889

約数の個数: 64

約数和(自身を含む): 44836684032

約数和(自身を除く): 24167286114

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 193, 386, 579, 691, 1158, 1382, 1987, 2073, 2509, 3974, 4146, 5018, 5961, 7527, 8983, 11922, 15054, 17966, 25831, 26949, 51662, 53898, 77493, 133363, 154986, 266726, 383491, 400089, 766982, 800178, 1150473, 1373017, 1733719, 2300946, 2746034, 3467438, 4119051, 4985383, 5201157, 8238102, 9970766, 10402314, 14956149, 17849221, 29912298, 35698442, 53547663, 107095326, 264992281, 529984562, 794976843, 1589953686, 3444899653, 6889799306, 10334698959, 20669397918]

約数ペア:

[(1, 20669397918), (2, 10334698959), (3, 6889799306), (6, 3444899653), (13, 1589953686), (26, 794976843), (39, 529984562), (78, 264992281), (193, 107095326), (386, 53547663), (579, 35698442), (691, 29912298), (1158, 17849221), (1382, 14956149), (1987, 10402314), (2073, 9970766), (2509, 8238102), (3974, 5201157), (4146, 4985383), (5018, 4119051), (5961, 3467438), (7527, 2746034), (8983, 2300946), (11922, 1733719), (15054, 1373017), (17966, 1150473), (25831, 800178), (26949, 766982), (51662, 400089), (53898, 383491), (77493, 266726), (133363, 154986)]