20117963523

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1487}}^1\times {\mathrm{37897}}^1$

素因数の和:39411

約数の個数: 32

約数和(自身を含む): 32481921024

約数和(自身を除く): 12363957501

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 1487, 4461, 10409, 25279, 31227, 37897, 75837, 113691, 176953, 265279, 530859, 644249, 795837, 1932747, 4509743, 13529229, 56352839, 169058517, 394469873, 957998263, 1183409619, 2873994789, 6705987841, 20117963523]

約数ペア:

[(1, 20117963523), (3, 6705987841), (7, 2873994789), (17, 1183409619), (21, 957998263), (51, 394469873), (119, 169058517), (357, 56352839), (1487, 13529229), (4461, 4509743), (10409, 1932747), (25279, 795837), (31227, 644249), (37897, 530859), (75837, 265279), (113691, 176953)]