20178794810

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1439}}^1\times {\mathrm{82487}}^1$

素因数の和:83950

約数の個数: 32

約数和(自身を含む): 38485601280

約数和(自身を除く): 18306806470

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 1439, 2878, 7195, 14390, 24463, 48926, 82487, 122315, 164974, 244630, 412435, 824870, 1402279, 2804558, 7011395, 14022790, 118698793, 237397586, 593493965, 1186987930, 2017879481, 4035758962, 10089397405, 20178794810]

約数ペア:

[(1, 20178794810), (2, 10089397405), (5, 4035758962), (10, 2017879481), (17, 1186987930), (34, 593493965), (85, 237397586), (170, 118698793), (1439, 14022790), (2878, 7011395), (7195, 2804558), (14390, 1402279), (24463, 824870), (48926, 412435), (82487, 244630), (122315, 164974)]