20209530

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{1303}}^1$

素因数の和:1371

約数の個数: 64

約数和(自身を含む): 54079488

約数和(自身を除く): 33869958

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 47, 55, 66, 94, 110, 141, 165, 235, 282, 330, 470, 517, 705, 1034, 1303, 1410, 1551, 2585, 2606, 3102, 3909, 5170, 6515, 7755, 7818, 13030, 14333, 15510, 19545, 28666, 39090, 42999, 61241, 71665, 85998, 122482, 143330, 183723, 214995, 306205, 367446, 429990, 612410, 673651, 918615, 1347302, 1837230, 2020953, 3368255, 4041906, 6736510, 10104765, 20209530]

約数ペア:

[(1, 20209530), (2, 10104765), (3, 6736510), (5, 4041906), (6, 3368255), (10, 2020953), (11, 1837230), (15, 1347302), (22, 918615), (30, 673651), (33, 612410), (47, 429990), (55, 367446), (66, 306205), (94, 214995), (110, 183723), (141, 143330), (165, 122482), (235, 85998), (282, 71665), (330, 61241), (470, 42999), (517, 39090), (705, 28666), (1034, 19545), (1303, 15510), (1410, 14333), (1551, 13030), (2585, 7818), (2606, 7755), (3102, 6515), (3909, 5170)]