20768484

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{3659}}^1$

素因数の和:3720

約数の個数: 48

約数和(自身を含む): 54109440

約数和(自身を除く): 33340956

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 43, 44, 66, 86, 129, 132, 172, 258, 473, 516, 946, 1419, 1892, 2838, 3659, 5676, 7318, 10977, 14636, 21954, 40249, 43908, 80498, 120747, 157337, 160996, 241494, 314674, 472011, 482988, 629348, 944022, 1730707, 1888044, 3461414, 5192121, 6922828, 10384242, 20768484]

約数ペア:

[(1, 20768484), (2, 10384242), (3, 6922828), (4, 5192121), (6, 3461414), (11, 1888044), (12, 1730707), (22, 944022), (33, 629348), (43, 482988), (44, 472011), (66, 314674), (86, 241494), (129, 160996), (132, 157337), (172, 120747), (258, 80498), (473, 43908), (516, 40249), (946, 21954), (1419, 14636), (1892, 10977), (2838, 7318), (3659, 5676)]