20290665

素因数分解:

$3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{15199}}^1$

素因数の和:15296

約数の個数: 16

約数和(自身を含む): 32832000

約数和(自身を除く): 12541335

約数列:

[1, 3, 5, 15, 89, 267, 445, 1335, 15199, 45597, 75995, 227985, 1352711, 4058133, 6763555, 20290665]

約数ペア:

[(1, 20290665), (3, 6763555), (5, 4058133), (15, 1352711), (89, 227985), (267, 75995), (445, 45597), (1335, 15199)]