20854816372

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{193093}}^1$

素因数の和:193208

約数の個数: 48

約数和(自身を含む): 41176909312

約数和(自身を除く): 20322092940

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 67, 124, 134, 268, 403, 806, 871, 1612, 1742, 2077, 3484, 4154, 8308, 27001, 54002, 108004, 193093, 386186, 772372, 2510209, 5020418, 5985883, 10040836, 11971766, 12937231, 23943532, 25874462, 51748924, 77816479, 155632958, 168184003, 311265916, 336368006, 401054161, 672736012, 802108322, 1604216644, 5213704093, 10427408186, 20854816372]

約数ペア:

[(1, 20854816372), (2, 10427408186), (4, 5213704093), (13, 1604216644), (26, 802108322), (31, 672736012), (52, 401054161), (62, 336368006), (67, 311265916), (124, 168184003), (134, 155632958), (268, 77816479), (403, 51748924), (806, 25874462), (871, 23943532), (1612, 12937231), (1742, 11971766), (2077, 10040836), (3484, 5985883), (4154, 5020418), (8308, 2510209), (27001, 772372), (54002, 386186), (108004, 193093)]