20156225049

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1\times {\mathrm{21997}}^1$

素因数の和:22186

約数の個数: 48

約数和(自身を含む): 31688206992

約数和(自身を除く): 11531981943

約数列:

[1, 3, 9, 17, 51, 53, 113, 153, 159, 339, 477, 901, 1017, 1921, 2703, 5763, 5989, 8109, 17289, 17967, 21997, 53901, 65991, 101813, 197973, 305439, 373949, 916317, 1121847, 1165841, 2485661, 3365541, 3497523, 7456983, 10492569, 19819297, 22370949, 42256237, 59457891, 126768711, 131740033, 178373673, 380306133, 395220099, 1185660297, 2239580561, 6718741683, 20156225049]

約数ペア:

[(1, 20156225049), (3, 6718741683), (9, 2239580561), (17, 1185660297), (51, 395220099), (53, 380306133), (113, 178373673), (153, 131740033), (159, 126768711), (339, 59457891), (477, 42256237), (901, 22370949), (1017, 19819297), (1921, 10492569), (2703, 7456983), (5763, 3497523), (5989, 3365541), (8109, 2485661), (17289, 1165841), (17967, 1121847), (21997, 916317), (53901, 373949), (65991, 305439), (101813, 197973)]