20306895

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{5227}}^1$

素因数の和:5279

約数の個数: 32

約数和(自身を含む): 38143488

約数和(自身を除く): 17836593

約数列:

[1, 3, 5, 7, 15, 21, 35, 37, 105, 111, 185, 259, 555, 777, 1295, 3885, 5227, 15681, 26135, 36589, 78405, 109767, 182945, 193399, 548835, 580197, 966995, 1353793, 2900985, 4061379, 6768965, 20306895]

約数ペア:

[(1, 20306895), (3, 6768965), (5, 4061379), (7, 2900985), (15, 1353793), (21, 966995), (35, 580197), (37, 548835), (105, 193399), (111, 182945), (185, 109767), (259, 78405), (555, 36589), (777, 26135), (1295, 15681), (3885, 5227)]