20120305959

素因数分解:

$3^7\times {\mathrm{13}}^1\times {\mathrm{707689}}^1$

素因数の和:707723

約数の個数: 32

約数和(自身を含む): 32497124800

約数和(自身を除く): 12376818841

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 243, 351, 729, 1053, 2187, 3159, 9477, 28431, 707689, 2123067, 6369201, 9199957, 19107603, 27599871, 57322809, 82799613, 171968427, 248398839, 515905281, 745196517, 1547715843, 2235589551, 6706768653, 20120305959]

約数ペア:

[(1, 20120305959), (3, 6706768653), (9, 2235589551), (13, 1547715843), (27, 745196517), (39, 515905281), (81, 248398839), (117, 171968427), (243, 82799613), (351, 57322809), (729, 27599871), (1053, 19107603), (2187, 9199957), (3159, 6369201), (9477, 2123067), (28431, 707689)]