20354958

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{2351}}^1$

素因数の和:2409

約数の個数: 48

約数和(自身を含む): 48799296

約数和(自身を除く): 28444338

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 37, 39, 74, 78, 111, 117, 222, 234, 333, 481, 666, 962, 1443, 2351, 2886, 4329, 4702, 7053, 8658, 14106, 21159, 30563, 42318, 61126, 86987, 91689, 173974, 183378, 260961, 275067, 521922, 550134, 782883, 1130831, 1565766, 2261662, 3392493, 6784986, 10177479, 20354958]

約数ペア:

[(1, 20354958), (2, 10177479), (3, 6784986), (6, 3392493), (9, 2261662), (13, 1565766), (18, 1130831), (26, 782883), (37, 550134), (39, 521922), (74, 275067), (78, 260961), (111, 183378), (117, 173974), (222, 91689), (234, 86987), (333, 61126), (481, 42318), (666, 30563), (962, 21159), (1443, 14106), (2351, 8658), (2886, 7053), (4329, 4702)]