20490711

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{367}}^1\times {\mathrm{503}}^1$

素因数の和:910

約数の個数: 16

約数和(自身を含む): 28191744

約数和(自身を除く): 7701033

約数列:

[1, 3, 37, 111, 367, 503, 1101, 1509, 13579, 18611, 40737, 55833, 184601, 553803, 6830237, 20490711]

約数ペア:

[(1, 20490711), (3, 6830237), (37, 553803), (111, 184601), (367, 55833), (503, 40737), (1101, 18611), (1509, 13579)]