20727490

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{6043}}^1$

素因数の和:6071

約数の個数: 32

約数和(自身を含む): 43516800

約数和(自身を除く): 22789310

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 490, 686, 1715, 3430, 6043, 12086, 30215, 42301, 60430, 84602, 211505, 296107, 423010, 592214, 1480535, 2072749, 2961070, 4145498, 10363745, 20727490]

約数ペア:

[(1, 20727490), (2, 10363745), (5, 4145498), (7, 2961070), (10, 2072749), (14, 1480535), (35, 592214), (49, 423010), (70, 296107), (98, 211505), (245, 84602), (343, 60430), (490, 42301), (686, 30215), (1715, 12086), (3430, 6043)]