20214460

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{20627}}^1$

素因数の和:20650

約数の個数: 36

約数和(自身を含む): 49383432

約数和(自身を除く): 29168972

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 20627, 41254, 82508, 103135, 144389, 206270, 288778, 412540, 577556, 721945, 1010723, 1443890, 2021446, 2887780, 4042892, 5053615, 10107230, 20214460]

約数ペア:

[(1, 20214460), (2, 10107230), (4, 5053615), (5, 4042892), (7, 2887780), (10, 2021446), (14, 1443890), (20, 1010723), (28, 721945), (35, 577556), (49, 412540), (70, 288778), (98, 206270), (140, 144389), (196, 103135), (245, 82508), (490, 41254), (980, 20627)]