20010414

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{3919}}^1$

素因数の和:3984

約数の個数: 32

約数和(自身を含む): 42900480

約数和(自身を除く): 22890066

約数列:

[1, 2, 3, 6, 23, 37, 46, 69, 74, 111, 138, 222, 851, 1702, 2553, 3919, 5106, 7838, 11757, 23514, 90137, 145003, 180274, 270411, 290006, 435009, 540822, 870018, 3335069, 6670138, 10005207, 20010414]

約数ペア:

[(1, 20010414), (2, 10005207), (3, 6670138), (6, 3335069), (23, 870018), (37, 540822), (46, 435009), (69, 290006), (74, 270411), (111, 180274), (138, 145003), (222, 90137), (851, 23514), (1702, 11757), (2553, 7838), (3919, 5106)]