20858810

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{42569}}^1$

素因数の和:42590

約数の個数: 24

約数和(自身を含む): 43676820

約数和(自身を除く): 22818010

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 42569, 85138, 212845, 297983, 425690, 595966, 1489915, 2085881, 2979830, 4171762, 10429405, 20858810]

約数ペア:

[(1, 20858810), (2, 10429405), (5, 4171762), (7, 2979830), (10, 2085881), (14, 1489915), (35, 595966), (49, 425690), (70, 297983), (98, 212845), (245, 85138), (490, 42569)]