20172401781

素因数分解:

$3^1\times 7^3\times {\mathrm{23}}^1\times {\mathrm{677}}^1\times {\mathrm{1259}}^1$

素因数の和:1983

約数の個数: 64

約数和(自身を含む): 32804352000

約数和(自身を除く): 12631950219

約数列:

[1, 3, 7, 21, 23, 49, 69, 147, 161, 343, 483, 677, 1029, 1127, 1259, 2031, 3381, 3777, 4739, 7889, 8813, 14217, 15571, 23667, 26439, 28957, 33173, 46713, 61691, 86871, 99519, 108997, 185073, 202699, 232211, 326991, 431837, 608097, 696633, 762979, 852343, 1295511, 1418893, 2288937, 2557029, 4256679, 5340853, 5966401, 9932251, 16022559, 17899203, 19603889, 29796753, 41764807, 58811667, 125294421, 137227223, 292353649, 411681669, 877060947, 960590561, 2881771683, 6724133927, 20172401781]

約数ペア:

[(1, 20172401781), (3, 6724133927), (7, 2881771683), (21, 960590561), (23, 877060947), (49, 411681669), (69, 292353649), (147, 137227223), (161, 125294421), (343, 58811667), (483, 41764807), (677, 29796753), (1029, 19603889), (1127, 17899203), (1259, 16022559), (2031, 9932251), (3381, 5966401), (3777, 5340853), (4739, 4256679), (7889, 2557029), (8813, 2288937), (14217, 1418893), (15571, 1295511), (23667, 852343), (26439, 762979), (28957, 696633), (33173, 608097), (46713, 431837), (61691, 326991), (86871, 232211), (99519, 202699), (108997, 185073)]