20634320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{36847}}^1$

素因数の和:36867

約数の個数: 40

約数和(自身を含む): 54829824

約数和(自身を除く): 34195504

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 36847, 73694, 147388, 184235, 257929, 294776, 368470, 515858, 589552, 736940, 1031716, 1289645, 1473880, 2063432, 2579290, 2947760, 4126864, 5158580, 10317160, 20634320]

約数ペア:

[(1, 20634320), (2, 10317160), (4, 5158580), (5, 4126864), (7, 2947760), (8, 2579290), (10, 2063432), (14, 1473880), (16, 1289645), (20, 1031716), (28, 736940), (35, 589552), (40, 515858), (56, 368470), (70, 294776), (80, 257929), (112, 184235), (140, 147388), (280, 73694), (560, 36847)]