20911430

素因数分解:

$2^1\times 5^1\times {\mathrm{1321}}^1\times {\mathrm{1583}}^1$

素因数の和:2911

約数の個数: 16

約数和(自身を含む): 37692864

約数和(自身を除く): 16781434

約数列:

[1, 2, 5, 10, 1321, 1583, 2642, 3166, 6605, 7915, 13210, 15830, 2091143, 4182286, 10455715, 20911430]

約数ペア:

[(1, 20911430), (2, 10455715), (5, 4182286), (10, 2091143), (1321, 15830), (1583, 13210), (2642, 7915), (3166, 6605)]