20790270

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{25667}}^1$

素因数の和:25686

約数の個数: 40

約数和(自身を含む): 55904904

約数和(自身を除く): 35114634

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 25667, 51334, 77001, 128335, 154002, 231003, 256670, 385005, 462006, 693009, 770010, 1155015, 1386018, 2079027, 2310030, 3465045, 4158054, 6930090, 10395135, 20790270]

約数ペア:

[(1, 20790270), (2, 10395135), (3, 6930090), (5, 4158054), (6, 3465045), (9, 2310030), (10, 2079027), (15, 1386018), (18, 1155015), (27, 770010), (30, 693009), (45, 462006), (54, 385005), (81, 256670), (90, 231003), (135, 154002), (162, 128335), (270, 77001), (405, 51334), (810, 25667)]