20339792

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{709}}^1$

素因数の和:891

約数の個数: 40

約数和(自身を含む): 43315680

約数和(自身を除く): 22975888

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 163, 176, 326, 652, 709, 1304, 1418, 1793, 2608, 2836, 3586, 5672, 7172, 7799, 11344, 14344, 15598, 28688, 31196, 62392, 115567, 124784, 231134, 462268, 924536, 1271237, 1849072, 2542474, 5084948, 10169896, 20339792]

約数ペア:

[(1, 20339792), (2, 10169896), (4, 5084948), (8, 2542474), (11, 1849072), (16, 1271237), (22, 924536), (44, 462268), (88, 231134), (163, 124784), (176, 115567), (326, 62392), (652, 31196), (709, 28688), (1304, 15598), (1418, 14344), (1793, 11344), (2608, 7799), (2836, 7172), (3586, 5672)]