20522754

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{54293}}^1$

素因数の和:54311

約数の個数: 32

約数和(自身を含む): 52122240

約数和(自身を除く): 31599486

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 54293, 108586, 162879, 325758, 380051, 488637, 760102, 977274, 1140153, 1465911, 2280306, 2931822, 3420459, 6840918, 10261377, 20522754]

約数ペア:

[(1, 20522754), (2, 10261377), (3, 6840918), (6, 3420459), (7, 2931822), (9, 2280306), (14, 1465911), (18, 1140153), (21, 977274), (27, 760102), (42, 488637), (54, 380051), (63, 325758), (126, 162879), (189, 108586), (378, 54293)]