19773460

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{20177}}^1$

素因数の和:20200

約数の個数: 36

約数和(自身を含む): 48306132

約数和(自身を除く): 28532672

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 20177, 40354, 80708, 100885, 141239, 201770, 282478, 403540, 564956, 706195, 988673, 1412390, 1977346, 2824780, 3954692, 4943365, 9886730, 19773460]

約数ペア:

[(1, 19773460), (2, 9886730), (4, 4943365), (5, 3954692), (7, 2824780), (10, 1977346), (14, 1412390), (20, 988673), (28, 706195), (35, 564956), (49, 403540), (70, 282478), (98, 201770), (140, 141239), (196, 100885), (245, 80708), (490, 40354), (980, 20177)]