20403888

素因数分解:

$2^4\times 3^1\times {\mathrm{103}}^1\times {\mathrm{4127}}^1$

素因数の和:4241

約数の個数: 40

約数和(自身を含む): 53234688

約数和(自身を除く): 32830800

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 103, 206, 309, 412, 618, 824, 1236, 1648, 2472, 4127, 4944, 8254, 12381, 16508, 24762, 33016, 49524, 66032, 99048, 198096, 425081, 850162, 1275243, 1700324, 2550486, 3400648, 5100972, 6801296, 10201944, 20403888]

約数ペア:

[(1, 20403888), (2, 10201944), (3, 6801296), (4, 5100972), (6, 3400648), (8, 2550486), (12, 1700324), (16, 1275243), (24, 850162), (48, 425081), (103, 198096), (206, 99048), (309, 66032), (412, 49524), (618, 33016), (824, 24762), (1236, 16508), (1648, 12381), (2472, 8254), (4127, 4944)]