20155518

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{881}}^1$

素因数の和:961

約数の個数: 48

約数和(自身を含む): 46230912

約数和(自身を除く): 26075394

約数列:

[1, 2, 3, 6, 9, 18, 31, 41, 62, 82, 93, 123, 186, 246, 279, 369, 558, 738, 881, 1271, 1762, 2542, 2643, 3813, 5286, 7626, 7929, 11439, 15858, 22878, 27311, 36121, 54622, 72242, 81933, 108363, 163866, 216726, 245799, 325089, 491598, 650178, 1119751, 2239502, 3359253, 6718506, 10077759, 20155518]

約数ペア:

[(1, 20155518), (2, 10077759), (3, 6718506), (6, 3359253), (9, 2239502), (18, 1119751), (31, 650178), (41, 491598), (62, 325089), (82, 245799), (93, 216726), (123, 163866), (186, 108363), (246, 81933), (279, 72242), (369, 54622), (558, 36121), (738, 27311), (881, 22878), (1271, 15858), (1762, 11439), (2542, 7929), (2643, 7626), (3813, 5286)]