20091804

素因数分解:

$2^2\times 3^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{421}}^1$

素因数の和:566

約数の個数: 48

約数和(自身を含む): 48634656

約数和(自身を除く): 28542852

約数列:

[1, 2, 3, 4, 6, 12, 41, 82, 97, 123, 164, 194, 246, 291, 388, 421, 492, 582, 842, 1164, 1263, 1684, 2526, 3977, 5052, 7954, 11931, 15908, 17261, 23862, 34522, 40837, 47724, 51783, 69044, 81674, 103566, 122511, 163348, 207132, 245022, 490044, 1674317, 3348634, 5022951, 6697268, 10045902, 20091804]

約数ペア:

[(1, 20091804), (2, 10045902), (3, 6697268), (4, 5022951), (6, 3348634), (12, 1674317), (41, 490044), (82, 245022), (97, 207132), (123, 163348), (164, 122511), (194, 103566), (246, 81674), (291, 69044), (388, 51783), (421, 47724), (492, 40837), (582, 34522), (842, 23862), (1164, 17261), (1263, 15908), (1684, 11931), (2526, 7954), (3977, 5052)]