20148417

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{239}}^1$

素因数の和:310

約数の個数: 48

約数和(自身を含む): 33696000

約数和(自身を除く): 13547583

約数列:

[1, 3, 9, 17, 19, 29, 51, 57, 87, 153, 171, 239, 261, 323, 493, 551, 717, 969, 1479, 1653, 2151, 2907, 4063, 4437, 4541, 4959, 6931, 9367, 12189, 13623, 20793, 28101, 36567, 40869, 62379, 77197, 84303, 117827, 131689, 231591, 353481, 395067, 694773, 1060443, 1185201, 2238713, 6716139, 20148417]

約数ペア:

[(1, 20148417), (3, 6716139), (9, 2238713), (17, 1185201), (19, 1060443), (29, 694773), (51, 395067), (57, 353481), (87, 231591), (153, 131689), (171, 117827), (239, 84303), (261, 77197), (323, 62379), (493, 40869), (551, 36567), (717, 28101), (969, 20793), (1479, 13623), (1653, 12189), (2151, 9367), (2907, 6931), (4063, 4959), (4437, 4541)]