20178091516

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{458592989}}^1$

素因数の和:458593004

約数の個数: 12

約数和(自身を含む): 38521811160

約数和(自身を除く): 18343719644

約数列:

[1, 2, 4, 11, 22, 44, 458592989, 917185978, 1834371956, 5044522879, 10089045758, 20178091516]

約数ペア:

[(1, 20178091516), (2, 10089045758), (4, 5044522879), (11, 1834371956), (22, 917185978), (44, 458592989)]