20678743792

素因数分解:

$2^4\times 7^1\times {\mathrm{907}}^1\times {\mathrm{203563}}^1$

素因数の和:204485

約数の個数: 40

約数和(自身を含む): 45839355776

約数和(自身を除く): 25160611984

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 907, 1814, 3628, 6349, 7256, 12698, 14512, 25396, 50792, 101584, 203563, 407126, 814252, 1424941, 1628504, 2849882, 3257008, 5699764, 11399528, 22799056, 184631641, 369263282, 738526564, 1292421487, 1477053128, 2584842974, 2954106256, 5169685948, 10339371896, 20678743792]

約数ペア:

[(1, 20678743792), (2, 10339371896), (4, 5169685948), (7, 2954106256), (8, 2584842974), (14, 1477053128), (16, 1292421487), (28, 738526564), (56, 369263282), (112, 184631641), (907, 22799056), (1814, 11399528), (3628, 5699764), (6349, 3257008), (7256, 2849882), (12698, 1628504), (14512, 1424941), (25396, 814252), (50792, 407126), (101584, 203563)]