20297730

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{1279}}^1$

素因数の和:1335

約数の個数: 48

約数和(自身を含む): 50964480

約数和(自身を除く): 30666750

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 529, 690, 1058, 1279, 1587, 2558, 2645, 3174, 3837, 5290, 6395, 7674, 7935, 12790, 15870, 19185, 29417, 38370, 58834, 88251, 147085, 176502, 294170, 441255, 676591, 882510, 1353182, 2029773, 3382955, 4059546, 6765910, 10148865, 20297730]

約数ペア:

[(1, 20297730), (2, 10148865), (3, 6765910), (5, 4059546), (6, 3382955), (10, 2029773), (15, 1353182), (23, 882510), (30, 676591), (46, 441255), (69, 294170), (115, 176502), (138, 147085), (230, 88251), (345, 58834), (529, 38370), (690, 29417), (1058, 19185), (1279, 15870), (1587, 12790), (2558, 7935), (2645, 7674), (3174, 6395), (3837, 5290)]