20540415

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{3691}}^1$

素因数の和:3759

約数の個数: 32

約数和(自身を含む): 38278656

約数和(自身を除く): 17738241

約数列:

[1, 3, 5, 7, 15, 21, 35, 53, 105, 159, 265, 371, 795, 1113, 1855, 3691, 5565, 11073, 18455, 25837, 55365, 77511, 129185, 195623, 387555, 586869, 978115, 1369361, 2934345, 4108083, 6846805, 20540415]

約数ペア:

[(1, 20540415), (3, 6846805), (5, 4108083), (7, 2934345), (15, 1369361), (21, 978115), (35, 586869), (53, 387555), (105, 195623), (159, 129185), (265, 77511), (371, 55365), (795, 25837), (1113, 18455), (1855, 11073), (3691, 5565)]