15759220

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{7229}}^1$

素因数の和:7347

約数の個数: 24

約数和(自身を含む): 33402600

約数和(自身を除く): 17643380

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 7229, 14458, 28916, 36145, 72290, 144580, 787961, 1575922, 3151844, 3939805, 7879610, 15759220]

約数ペア:

[(1, 15759220), (2, 7879610), (4, 3939805), (5, 3151844), (10, 1575922), (20, 787961), (109, 144580), (218, 72290), (436, 36145), (545, 28916), (1090, 14458), (2180, 7229)]