20403940821

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{36370661}}^1$

素因数の和:36370692

約数の個数: 16

約数和(自身を含む): 31424251968

約数和(自身を除く): 11020311147

約数列:

[1, 3, 11, 17, 33, 51, 187, 561, 36370661, 109111983, 400077271, 618301237, 1200231813, 1854903711, 6801313607, 20403940821]

約数ペア:

[(1, 20403940821), (3, 6801313607), (11, 1854903711), (17, 1200231813), (33, 618301237), (51, 400077271), (187, 109111983), (561, 36370661)]