20857068

素因数分解:

$2^2\times 3^3\times {\mathrm{313}}^1\times {\mathrm{617}}^1$

素因数の和:943

約数の個数: 48

約数和(自身を含む): 54334560

約数和(自身を除く): 33477492

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 313, 617, 626, 939, 1234, 1252, 1851, 1878, 2468, 2817, 3702, 3756, 5553, 5634, 7404, 8451, 11106, 11268, 16659, 16902, 22212, 33318, 33804, 66636, 193121, 386242, 579363, 772484, 1158726, 1738089, 2317452, 3476178, 5214267, 6952356, 10428534, 20857068]

約数ペア:

[(1, 20857068), (2, 10428534), (3, 6952356), (4, 5214267), (6, 3476178), (9, 2317452), (12, 1738089), (18, 1158726), (27, 772484), (36, 579363), (54, 386242), (108, 193121), (313, 66636), (617, 33804), (626, 33318), (939, 22212), (1234, 16902), (1252, 16659), (1851, 11268), (1878, 11106), (2468, 8451), (2817, 7404), (3702, 5634), (3756, 5553)]