20340586

素因数分解:

$2^1\times 7^3\times {\mathrm{149}}^1\times {\mathrm{199}}^1$

素因数の和:371

約数の個数: 32

約数和(自身を含む): 36000000

約数和(自身を除く): 15659414

約数列:

[1, 2, 7, 14, 49, 98, 149, 199, 298, 343, 398, 686, 1043, 1393, 2086, 2786, 7301, 9751, 14602, 19502, 29651, 51107, 59302, 68257, 102214, 136514, 207557, 415114, 1452899, 2905798, 10170293, 20340586]

約数ペア:

[(1, 20340586), (2, 10170293), (7, 2905798), (14, 1452899), (49, 415114), (98, 207557), (149, 136514), (199, 102214), (298, 68257), (343, 59302), (398, 51107), (686, 29651), (1043, 19502), (1393, 14602), (2086, 9751), (2786, 7301)]