20189098065

素因数分解:

$3^1\times 5^1\times {\mathrm{1511}}^1\times {\mathrm{890761}}^1$

素因数の和:892280

約数の個数: 16

約数和(自身を含む): 32323971456

約数和(自身を除く): 12134873391

約数列:

[1, 3, 5, 15, 1511, 4533, 7555, 22665, 890761, 2672283, 4453805, 13361415, 1345939871, 4037819613, 6729699355, 20189098065]

約数ペア:

[(1, 20189098065), (3, 6729699355), (5, 4037819613), (15, 1345939871), (1511, 13361415), (4533, 4453805), (7555, 2672283), (22665, 890761)]