20778880318

素因数分解:

$2^1\times 7^3\times {\mathrm{1217}}^1\times {\mathrm{24889}}^1$

素因数の和:26129

約数の個数: 32

約数和(自身を含む): 36379224000

約数和(自身を除く): 15600343682

約数列:

[1, 2, 7, 14, 49, 98, 343, 686, 1217, 2434, 8519, 17038, 24889, 49778, 59633, 119266, 174223, 348446, 417431, 834862, 1219561, 2439122, 8536927, 17073854, 30289913, 60579826, 212029391, 424058782, 1484205737, 2968411474, 10389440159, 20778880318]

約数ペア:

[(1, 20778880318), (2, 10389440159), (7, 2968411474), (14, 1484205737), (49, 424058782), (98, 212029391), (343, 60579826), (686, 30289913), (1217, 17073854), (2434, 8536927), (8519, 2439122), (17038, 1219561), (24889, 834862), (49778, 417431), (59633, 348446), (119266, 174223)]