20902966

素因数分解:

$2^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1\times {\mathrm{181}}^1$

素因数の和:376

約数の個数: 32

約数和(自身を含む): 36848448

約数和(自身を除く): 15945482

約数列:

[1, 2, 7, 14, 73, 113, 146, 181, 226, 362, 511, 791, 1022, 1267, 1582, 2534, 8249, 13213, 16498, 20453, 26426, 40906, 57743, 92491, 115486, 143171, 184982, 286342, 1493069, 2986138, 10451483, 20902966]

約数ペア:

[(1, 20902966), (2, 10451483), (7, 2986138), (14, 1493069), (73, 286342), (113, 184982), (146, 143171), (181, 115486), (226, 92491), (362, 57743), (511, 40906), (791, 26426), (1022, 20453), (1267, 16498), (1582, 13213), (2534, 8249)]