20664144

素因数分解:

$2^4\times 3^2\times {\mathrm{143501}}^1$

素因数の和:143515

約数の個数: 30

約数和(自身を含む): 57831306

約数和(自身を除く): 37167162

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 143501, 287002, 430503, 574004, 861006, 1148008, 1291509, 1722012, 2296016, 2583018, 3444024, 5166036, 6888048, 10332072, 20664144]

約数ペア:

[(1, 20664144), (2, 10332072), (3, 6888048), (4, 5166036), (6, 3444024), (8, 2583018), (9, 2296016), (12, 1722012), (16, 1291509), (18, 1148008), (24, 861006), (36, 574004), (48, 430503), (72, 287002), (144, 143501)]