20487144

素因数分解:

$2^3\times 3^1\times {\mathrm{163}}^1\times {\mathrm{5237}}^1$

素因数の和:5409

約数の個数: 32

約数和(自身を含む): 51541920

約数和(自身を除く): 31054776

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 163, 326, 489, 652, 978, 1304, 1956, 3912, 5237, 10474, 15711, 20948, 31422, 41896, 62844, 125688, 853631, 1707262, 2560893, 3414524, 5121786, 6829048, 10243572, 20487144]

約数ペア:

[(1, 20487144), (2, 10243572), (3, 6829048), (4, 5121786), (6, 3414524), (8, 2560893), (12, 1707262), (24, 853631), (163, 125688), (326, 62844), (489, 41896), (652, 31422), (978, 20948), (1304, 15711), (1956, 10474), (3912, 5237)]