20140893

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{569}}^1$

素因数の和:623

約数の個数: 40

約数和(自身を含む): 33105600

約数和(自身を除く): 12964707

約数列:

[1, 3, 9, 19, 23, 27, 57, 69, 81, 171, 207, 437, 513, 569, 621, 1311, 1539, 1707, 1863, 3933, 5121, 10811, 11799, 13087, 15363, 32433, 35397, 39261, 46089, 97299, 117783, 248653, 291897, 353349, 745959, 875691, 1060047, 2237877, 6713631, 20140893]

約数ペア:

[(1, 20140893), (3, 6713631), (9, 2237877), (19, 1060047), (23, 875691), (27, 745959), (57, 353349), (69, 291897), (81, 248653), (171, 117783), (207, 97299), (437, 46089), (513, 39261), (569, 35397), (621, 32433), (1311, 15363), (1539, 13087), (1707, 11799), (1863, 10811), (3933, 5121)]