20387406

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{9013}}^1$

素因数の和:9060

約数の個数: 32

約数和(自身を含む): 45430560

約数和(自身を除く): 25043154

約数列:

[1, 2, 3, 6, 13, 26, 29, 39, 58, 78, 87, 174, 377, 754, 1131, 2262, 9013, 18026, 27039, 54078, 117169, 234338, 261377, 351507, 522754, 703014, 784131, 1568262, 3397901, 6795802, 10193703, 20387406]

約数ペア:

[(1, 20387406), (2, 10193703), (3, 6795802), (6, 3397901), (13, 1568262), (26, 784131), (29, 703014), (39, 522754), (58, 351507), (78, 261377), (87, 234338), (174, 117169), (377, 54078), (754, 27039), (1131, 18026), (2262, 9013)]