20905814

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{14869}}^1$

素因数の和:14927

約数の個数: 16

約数和(自身を含む): 33903600

約数和(自身を除く): 12997786

約数列:

[1, 2, 19, 37, 38, 74, 703, 1406, 14869, 29738, 282511, 550153, 565022, 1100306, 10452907, 20905814]

約数ペア:

[(1, 20905814), (2, 10452907), (19, 1100306), (37, 565022), (38, 550153), (74, 282511), (703, 29738), (1406, 14869)]