20083945

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{409}}^1$

素因数の和:505

約数の個数: 32

約数和(自身を含む): 29283840

約数和(自身を除く): 9199895

約数列:

[1, 5, 7, 23, 35, 61, 115, 161, 305, 409, 427, 805, 1403, 2045, 2135, 2863, 7015, 9407, 9821, 14315, 24949, 47035, 49105, 65849, 124745, 174643, 329245, 573827, 873215, 2869135, 4016789, 20083945]

約数ペア:

[(1, 20083945), (5, 4016789), (7, 2869135), (23, 873215), (35, 573827), (61, 329245), (115, 174643), (161, 124745), (305, 65849), (409, 49105), (427, 47035), (805, 24949), (1403, 14315), (2045, 9821), (2135, 9407), (2863, 7015)]