20808404

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{151}}^1\times {\mathrm{733}}^1$

素因数の和:935

約数の個数: 24

約数和(自身を含む): 37486848

約数和(自身を除く): 16678444

約数列:

[1, 2, 4, 47, 94, 151, 188, 302, 604, 733, 1466, 2932, 7097, 14194, 28388, 34451, 68902, 110683, 137804, 221366, 442732, 5202101, 10404202, 20808404]

約数ペア:

[(1, 20808404), (2, 10404202), (4, 5202101), (47, 442732), (94, 221366), (151, 137804), (188, 110683), (302, 68902), (604, 34451), (733, 28388), (1466, 14194), (2932, 7097)]