20496356

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{4129}}^1$

素因数の和:4223

約数の個数: 24

約数和(自身を含む): 38508120

約数和(自身を除く): 18011764

約数列:

[1, 2, 4, 17, 34, 68, 73, 146, 292, 1241, 2482, 4129, 4964, 8258, 16516, 70193, 140386, 280772, 301417, 602834, 1205668, 5124089, 10248178, 20496356]

約数ペア:

[(1, 20496356), (2, 10248178), (4, 5124089), (17, 1205668), (34, 602834), (68, 301417), (73, 280772), (146, 140386), (292, 70193), (1241, 16516), (2482, 8258), (4129, 4964)]