20489942

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{49019}}^1$

素因数の和:49051

約数の個数: 16

約数和(自身を含む): 35294400

約数和(自身を除く): 14804458

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 49019, 98038, 539209, 931361, 1078418, 1862722, 10244971, 20489942]

約数ペア:

[(1, 20489942), (2, 10244971), (11, 1862722), (19, 1078418), (22, 931361), (38, 539209), (209, 98038), (418, 49019)]