20006697988

素因数分解:

$2^2\times {\mathrm{73}}^1\times {\mathrm{409}}^1\times {\mathrm{167521}}^1$

素因数の和:168007

約数の個数: 24

約数和(自身を含む): 35578322360

約数和(自身を除く): 15571624372

約数列:

[1, 2, 4, 73, 146, 292, 409, 818, 1636, 29857, 59714, 119428, 167521, 335042, 670084, 12229033, 24458066, 48916132, 68516089, 137032178, 274064356, 5001674497, 10003348994, 20006697988]

約数ペア:

[(1, 20006697988), (2, 10003348994), (4, 5001674497), (73, 274064356), (146, 137032178), (292, 68516089), (409, 48916132), (818, 24458066), (1636, 12229033), (29857, 670084), (59714, 335042), (119428, 167521)]