20835165

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{8219}}^1$

素因数の和:8253

約数の個数: 24

約数和(自身を含む): 36102240

約数和(自身を除く): 15267075

約数列:

[1, 3, 5, 13, 15, 39, 65, 169, 195, 507, 845, 2535, 8219, 24657, 41095, 106847, 123285, 320541, 534235, 1389011, 1602705, 4167033, 6945055, 20835165]

約数ペア:

[(1, 20835165), (3, 6945055), (5, 4167033), (13, 1602705), (15, 1389011), (39, 534235), (65, 320541), (169, 123285), (195, 106847), (507, 41095), (845, 24657), (2535, 8219)]