20922615

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{523}}^1$

素因数の和:668

約数の個数: 48

約数和(自身を含む): 41852928

約数和(自身を除く): 20930313

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 127, 315, 381, 523, 635, 889, 1143, 1569, 1905, 2615, 2667, 3661, 4445, 4707, 5715, 7845, 8001, 10983, 13335, 18305, 23535, 32949, 40005, 54915, 66421, 164745, 199263, 332105, 464947, 597789, 996315, 1394841, 2324735, 2988945, 4184523, 6974205, 20922615]

約数ペア:

[(1, 20922615), (3, 6974205), (5, 4184523), (7, 2988945), (9, 2324735), (15, 1394841), (21, 996315), (35, 597789), (45, 464947), (63, 332105), (105, 199263), (127, 164745), (315, 66421), (381, 54915), (523, 40005), (635, 32949), (889, 23535), (1143, 18305), (1569, 13335), (1905, 10983), (2615, 8001), (2667, 7845), (3661, 5715), (4445, 4707)]