20196642819

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{89}}^1\times {\mathrm{317}}^1\times {\mathrm{661}}^1$

素因数の和:1108

約数の個数: 48

約数和(自身を含む): 28874374560

約数和(自身を除く): 8677731741

約数列:

[1, 3, 19, 57, 89, 267, 317, 361, 661, 951, 1083, 1691, 1983, 5073, 6023, 12559, 18069, 28213, 32129, 37677, 58829, 84639, 96387, 114437, 176487, 209537, 238621, 343311, 536047, 628611, 715863, 1117751, 1608141, 3353253, 3981203, 10184893, 11943609, 18648793, 21237269, 30554679, 55946379, 63711807, 75642857, 226928571, 354327067, 1062981201, 6732214273, 20196642819]

約数ペア:

[(1, 20196642819), (3, 6732214273), (19, 1062981201), (57, 354327067), (89, 226928571), (267, 75642857), (317, 63711807), (361, 55946379), (661, 30554679), (951, 21237269), (1083, 18648793), (1691, 11943609), (1983, 10184893), (5073, 3981203), (6023, 3353253), (12559, 1608141), (18069, 1117751), (28213, 715863), (32129, 628611), (37677, 536047), (58829, 343311), (84639, 238621), (96387, 209537), (114437, 176487)]