20778154558

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{5279}}^1\times {\mathrm{14797}}^1$

素因数の和:20104

約数の個数: 32

約数和(自身を含む): 37504051200

約数和(自身を除く): 16725896642

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 5279, 10558, 14797, 29594, 36953, 73906, 100301, 103579, 200602, 207158, 281143, 562286, 702107, 1404214, 1968001, 3936002, 78113363, 156226726, 546793541, 1093587082, 1484153897, 2968307794, 10389077279, 20778154558]

約数ペア:

[(1, 20778154558), (2, 10389077279), (7, 2968307794), (14, 1484153897), (19, 1093587082), (38, 546793541), (133, 156226726), (266, 78113363), (5279, 3936002), (10558, 1968001), (14797, 1404214), (29594, 702107), (36953, 562286), (73906, 281143), (100301, 207158), (103579, 200602)]