20216834043

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1237}}^1\times {\mathrm{40961}}^1$

素因数の和:42227

約数の個数: 32

約数和(自身を含む): 32455011840

約数和(自身を除く): 12238177797

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 1237, 3711, 8659, 23503, 25977, 40961, 70509, 122883, 164521, 286727, 493563, 778259, 860181, 2334777, 5447813, 16343439, 50668757, 152006271, 354681299, 962706383, 1064043897, 2888119149, 6738944681, 20216834043]

約数ペア:

[(1, 20216834043), (3, 6738944681), (7, 2888119149), (19, 1064043897), (21, 962706383), (57, 354681299), (133, 152006271), (399, 50668757), (1237, 16343439), (3711, 5447813), (8659, 2334777), (23503, 860181), (25977, 778259), (40961, 493563), (70509, 286727), (122883, 164521)]