20309835

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{14879}}^1$

素因数の和:14907

約数の個数: 32

約数和(自身を含む): 39997440

約数和(自身を除く): 19687605

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 195, 273, 455, 1365, 14879, 44637, 74395, 104153, 193427, 223185, 312459, 520765, 580281, 967135, 1353989, 1562295, 2901405, 4061967, 6769945, 20309835]

約数ペア:

[(1, 20309835), (3, 6769945), (5, 4061967), (7, 2901405), (13, 1562295), (15, 1353989), (21, 967135), (35, 580281), (39, 520765), (65, 312459), (91, 223185), (105, 193427), (195, 104153), (273, 74395), (455, 44637), (1365, 14879)]