20439792

素因数分解:

$2^4\times 3^2\times {\mathrm{43}}^1\times {\mathrm{3301}}^1$

素因数の和:3358

約数の個数: 60

約数和(自身を含む): 58551064

約数和(自身を除く): 38111272

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 43, 48, 72, 86, 129, 144, 172, 258, 344, 387, 516, 688, 774, 1032, 1548, 2064, 3096, 3301, 6192, 6602, 9903, 13204, 19806, 26408, 29709, 39612, 52816, 59418, 79224, 118836, 141943, 158448, 237672, 283886, 425829, 475344, 567772, 851658, 1135544, 1277487, 1703316, 2271088, 2554974, 3406632, 5109948, 6813264, 10219896, 20439792]

約数ペア:

[(1, 20439792), (2, 10219896), (3, 6813264), (4, 5109948), (6, 3406632), (8, 2554974), (9, 2271088), (12, 1703316), (16, 1277487), (18, 1135544), (24, 851658), (36, 567772), (43, 475344), (48, 425829), (72, 283886), (86, 237672), (129, 158448), (144, 141943), (172, 118836), (258, 79224), (344, 59418), (387, 52816), (516, 39612), (688, 29709), (774, 26408), (1032, 19806), (1548, 13204), (2064, 9903), (3096, 6602), (3301, 6192)]