20987532

素因数分解:

$2^2\times 3^3\times {\mathrm{29}}^1\times {\mathrm{6701}}^1$

素因数の和:6743

約数の個数: 48

約数和(自身を含む): 56296800

約数和(自身を除く): 35309268

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 29, 36, 54, 58, 87, 108, 116, 174, 261, 348, 522, 783, 1044, 1566, 3132, 6701, 13402, 20103, 26804, 40206, 60309, 80412, 120618, 180927, 194329, 241236, 361854, 388658, 582987, 723708, 777316, 1165974, 1748961, 2331948, 3497922, 5246883, 6995844, 10493766, 20987532]

約数ペア:

[(1, 20987532), (2, 10493766), (3, 6995844), (4, 5246883), (6, 3497922), (9, 2331948), (12, 1748961), (18, 1165974), (27, 777316), (29, 723708), (36, 582987), (54, 388658), (58, 361854), (87, 241236), (108, 194329), (116, 180927), (174, 120618), (261, 80412), (348, 60309), (522, 40206), (783, 26804), (1044, 20103), (1566, 13402), (3132, 6701)]