20174744877

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{691}}^1\times {\mathrm{29581}}^1$

素因数の和:30329

約数の個数: 32

約数和(自身を含む): 31443062784

約数和(自身を除く): 11268317907

約数列:

[1, 3, 7, 21, 47, 141, 329, 691, 987, 2073, 4837, 14511, 29581, 32477, 88743, 97431, 207067, 227339, 621201, 682017, 1390307, 4170921, 9732149, 20440471, 29196447, 61321413, 143083297, 429249891, 960702137, 2882106411, 6724914959, 20174744877]

約数ペア:

[(1, 20174744877), (3, 6724914959), (7, 2882106411), (21, 960702137), (47, 429249891), (141, 143083297), (329, 61321413), (691, 29196447), (987, 20440471), (2073, 9732149), (4837, 4170921), (14511, 1390307), (29581, 682017), (32477, 621201), (88743, 227339), (97431, 207067)]