20675265

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{463}}^1$

素因数の和:713

約数の個数: 32

約数和(自身を含む): 35857920

約数和(自身を除く): 15182655

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 229, 463, 687, 1145, 1389, 2315, 2977, 3435, 6019, 6945, 8931, 14885, 18057, 30095, 44655, 90285, 106027, 318081, 530135, 1378351, 1590405, 4135053, 6891755, 20675265]

約数ペア:

[(1, 20675265), (3, 6891755), (5, 4135053), (13, 1590405), (15, 1378351), (39, 530135), (65, 318081), (195, 106027), (229, 90285), (463, 44655), (687, 30095), (1145, 18057), (1389, 14885), (2315, 8931), (2977, 6945), (3435, 6019)]