20467290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{18439}}^1$

素因数の和:18486

約数の個数: 32

約数和(自身を含む): 50451840

約数和(自身を除く): 29984550

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 37, 74, 111, 185, 222, 370, 555, 1110, 18439, 36878, 55317, 92195, 110634, 184390, 276585, 553170, 682243, 1364486, 2046729, 3411215, 4093458, 6822430, 10233645, 20467290]

約数ペア:

[(1, 20467290), (2, 10233645), (3, 6822430), (5, 4093458), (6, 3411215), (10, 2046729), (15, 1364486), (30, 682243), (37, 553170), (74, 276585), (111, 184390), (185, 110634), (222, 92195), (370, 55317), (555, 36878), (1110, 18439)]