20644335

素因数分解:

$3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{4133}}^1$

素因数の和:4184

約数の個数: 32

約数和(自身を含む): 37702080

約数和(自身を除く): 17057745

約数列:

[1, 3, 5, 9, 15, 27, 37, 45, 111, 135, 185, 333, 555, 999, 1665, 4133, 4995, 12399, 20665, 37197, 61995, 111591, 152921, 185985, 458763, 557955, 764605, 1376289, 2293815, 4128867, 6881445, 20644335]

約数ペア:

[(1, 20644335), (3, 6881445), (5, 4128867), (9, 2293815), (15, 1376289), (27, 764605), (37, 557955), (45, 458763), (111, 185985), (135, 152921), (185, 111591), (333, 61995), (555, 37197), (999, 20665), (1665, 12399), (4133, 4995)]