20121981122

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{233}}^1\times {\mathrm{78367}}^1$

素因数の和:78650

約数の個数: 32

約数和(自身を含む): 33008601600

約数和(自身を除く): 12886620478

約数列:

[1, 2, 19, 29, 38, 58, 233, 466, 551, 1102, 4427, 6757, 8854, 13514, 78367, 128383, 156734, 256766, 1488973, 2272643, 2977946, 4545286, 18259511, 36519022, 43180217, 86360434, 346930709, 529525819, 693861418, 1059051638, 10060990561, 20121981122]

約数ペア:

[(1, 20121981122), (2, 10060990561), (19, 1059051638), (29, 693861418), (38, 529525819), (58, 346930709), (233, 86360434), (466, 43180217), (551, 36519022), (1102, 18259511), (4427, 4545286), (6757, 2977946), (8854, 2272643), (13514, 1488973), (78367, 256766), (128383, 156734)]