20791215

素因数分解:

$3^3\times 5^1\times {\mathrm{337}}^1\times {\mathrm{457}}^1$

素因数の和:808

約数の個数: 32

約数和(自身を含む): 37152960

約数和(自身を除く): 16361745

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 337, 457, 1011, 1371, 1685, 2285, 3033, 4113, 5055, 6855, 9099, 12339, 15165, 20565, 45495, 61695, 154009, 462027, 770045, 1386081, 2310135, 4158243, 6930405, 20791215]

約数ペア:

[(1, 20791215), (3, 6930405), (5, 4158243), (9, 2310135), (15, 1386081), (27, 770045), (45, 462027), (135, 154009), (337, 61695), (457, 45495), (1011, 20565), (1371, 15165), (1685, 12339), (2285, 9099), (3033, 6855), (4113, 5055)]