20148180579

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{641}}^1\times {\mathrm{997}}^1$

素因数の和:1788

約数の個数: 48

約数和(自身を含む): 30385315584

約数和(自身を除く): 10237135005

約数列:

[1, 3, 9, 31, 93, 113, 279, 339, 641, 997, 1017, 1923, 2991, 3503, 5769, 8973, 10509, 19871, 30907, 31527, 59613, 72433, 92721, 112661, 178839, 217299, 278163, 337983, 639077, 651897, 1013949, 1917231, 2245423, 3492491, 5751693, 6736269, 10477473, 19811387, 20208807, 31432419, 59434161, 72215701, 178302483, 216647103, 649941309, 2238686731, 6716060193, 20148180579]

約数ペア:

[(1, 20148180579), (3, 6716060193), (9, 2238686731), (31, 649941309), (93, 216647103), (113, 178302483), (279, 72215701), (339, 59434161), (641, 31432419), (997, 20208807), (1017, 19811387), (1923, 10477473), (2991, 6736269), (3503, 5751693), (5769, 3492491), (8973, 2245423), (10509, 1917231), (19871, 1013949), (30907, 651897), (31527, 639077), (59613, 337983), (72433, 278163), (92721, 217299), (112661, 178839)]