20667888

素因数分解:

$2^4\times 3^2\times {\mathrm{143527}}^1$

素因数の和:143541

約数の個数: 30

約数和(自身を含む): 57841784

約数和(自身を除く): 37173896

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 143527, 287054, 430581, 574108, 861162, 1148216, 1291743, 1722324, 2296432, 2583486, 3444648, 5166972, 6889296, 10333944, 20667888]

約数ペア:

[(1, 20667888), (2, 10333944), (3, 6889296), (4, 5166972), (6, 3444648), (8, 2583486), (9, 2296432), (12, 1722324), (16, 1291743), (18, 1148216), (24, 861162), (36, 574108), (48, 430581), (72, 287054), (144, 143527)]