20479480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{73141}}^1$

素因数の和:73159

約数の個数: 32

約数和(自身を含む): 52662240

約数和(自身を除く): 32182760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 73141, 146282, 292564, 365705, 511987, 585128, 731410, 1023974, 1462820, 2047948, 2559935, 2925640, 4095896, 5119870, 10239740, 20479480]

約数ペア:

[(1, 20479480), (2, 10239740), (4, 5119870), (5, 4095896), (7, 2925640), (8, 2559935), (10, 2047948), (14, 1462820), (20, 1023974), (28, 731410), (35, 585128), (40, 511987), (56, 365705), (70, 292564), (140, 146282), (280, 73141)]