20113191

素因数分解:

$3^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1867}}^1$

素因数の和:1905

約数の個数: 40

約数和(自身を含む): 36164480

約数和(自身を除く): 16051289

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 81, 133, 171, 189, 399, 513, 567, 1197, 1539, 1867, 3591, 5601, 10773, 13069, 16803, 35473, 39207, 50409, 106419, 117621, 151227, 248311, 319257, 352863, 744933, 957771, 1058589, 2234799, 2873313, 6704397, 20113191]

約数ペア:

[(1, 20113191), (3, 6704397), (7, 2873313), (9, 2234799), (19, 1058589), (21, 957771), (27, 744933), (57, 352863), (63, 319257), (81, 248311), (133, 151227), (171, 117621), (189, 106419), (399, 50409), (513, 39207), (567, 35473), (1197, 16803), (1539, 13069), (1867, 10773), (3591, 5601)]