20060489918

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{359}}^1\times {\mathrm{647}}^1$

素因数の和:1245

約数の個数: 64

約数和(自身を含む): 35831808000

約数和(自身を除く): 15771318082

約数列:

[1, 2, 7, 14, 31, 62, 199, 217, 359, 398, 434, 647, 718, 1294, 1393, 2513, 2786, 4529, 5026, 6169, 9058, 11129, 12338, 20057, 22258, 40114, 43183, 71441, 77903, 86366, 128753, 140399, 142882, 155806, 232273, 257506, 280798, 464546, 500087, 901271, 1000174, 1625911, 1802542, 2214671, 3251822, 3991343, 4429342, 7200463, 7982686, 14400926, 15502697, 27939401, 31005394, 46222327, 50403241, 55878802, 92444654, 100806482, 323556289, 647112578, 1432892137, 2865784274, 10030244959, 20060489918]

約数ペア:

[(1, 20060489918), (2, 10030244959), (7, 2865784274), (14, 1432892137), (31, 647112578), (62, 323556289), (199, 100806482), (217, 92444654), (359, 55878802), (398, 50403241), (434, 46222327), (647, 31005394), (718, 27939401), (1294, 15502697), (1393, 14400926), (2513, 7982686), (2786, 7200463), (4529, 4429342), (5026, 3991343), (6169, 3251822), (9058, 2214671), (11129, 1802542), (12338, 1625911), (20057, 1000174), (22258, 901271), (40114, 500087), (43183, 464546), (71441, 280798), (77903, 257506), (86366, 232273), (128753, 155806), (140399, 142882)]