2020895919

素因数分解:

$3^3\times 7^1\times {\mathrm{79}}^1\times {\mathrm{135349}}^1$

素因数の和:135444

約数の個数: 32

約数和(自身を含む): 3464960000

約数和(自身を除く): 1444064081

約数列:

[1, 3, 7, 9, 21, 27, 63, 79, 189, 237, 553, 711, 1659, 2133, 4977, 14931, 135349, 406047, 947443, 1218141, 2842329, 3654423, 8526987, 10692571, 25580961, 32077713, 74847997, 96233139, 224543991, 288699417, 673631973, 2020895919]

約数ペア:

[(1, 2020895919), (3, 673631973), (7, 288699417), (9, 224543991), (21, 96233139), (27, 74847997), (63, 32077713), (79, 25580961), (189, 10692571), (237, 8526987), (553, 3654423), (711, 2842329), (1659, 1218141), (2133, 947443), (4977, 406047), (14931, 135349)]