20854995

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{2393}}^1$

素因数の和:2491

約数の個数: 32

約数和(自身を含む): 38610432

約数和(自身を除く): 17755437

約数列:

[1, 3, 5, 7, 15, 21, 35, 83, 105, 249, 415, 581, 1245, 1743, 2393, 2905, 7179, 8715, 11965, 16751, 35895, 50253, 83755, 198619, 251265, 595857, 993095, 1390333, 2979285, 4170999, 6951665, 20854995]

約数ペア:

[(1, 20854995), (3, 6951665), (5, 4170999), (7, 2979285), (15, 1390333), (21, 993095), (35, 595857), (83, 251265), (105, 198619), (249, 83755), (415, 50253), (581, 35895), (1245, 16751), (1743, 11965), (2393, 8715), (2905, 7179)]