20693868

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{1217}}^1$

素因数の和:1346

約数の個数: 48

約数和(自身を含む): 52520160

約数和(自身を除く): 31826292

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 109, 156, 218, 327, 436, 654, 1217, 1308, 1417, 2434, 2834, 3651, 4251, 4868, 5668, 7302, 8502, 14604, 15821, 17004, 31642, 47463, 63284, 94926, 132653, 189852, 265306, 397959, 530612, 795918, 1591836, 1724489, 3448978, 5173467, 6897956, 10346934, 20693868]

約数ペア:

[(1, 20693868), (2, 10346934), (3, 6897956), (4, 5173467), (6, 3448978), (12, 1724489), (13, 1591836), (26, 795918), (39, 530612), (52, 397959), (78, 265306), (109, 189852), (156, 132653), (218, 94926), (327, 63284), (436, 47463), (654, 31642), (1217, 17004), (1308, 15821), (1417, 14604), (2434, 8502), (2834, 7302), (3651, 5668), (4251, 4868)]