20040615

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{7069}}^1$

素因数の和:7093

約数の個数: 40

約数和(自身を含む): 41062560

約数和(自身を除く): 21021945

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 315, 405, 567, 945, 2835, 7069, 21207, 35345, 49483, 63621, 106035, 148449, 190863, 247415, 318105, 445347, 572589, 742245, 954315, 1336041, 2226735, 2862945, 4008123, 6680205, 20040615]

約数ペア:

[(1, 20040615), (3, 6680205), (5, 4008123), (7, 2862945), (9, 2226735), (15, 1336041), (21, 954315), (27, 742245), (35, 572589), (45, 445347), (63, 318105), (81, 247415), (105, 190863), (135, 148449), (189, 106035), (315, 63621), (405, 49483), (567, 35345), (945, 21207), (2835, 7069)]