20800592

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1291}}^1$

素因数の和:1371

約数の個数: 40

約数和(自身を含む): 43256160

約数和(自身を除く): 22455568

約数列:

[1, 2, 4, 8, 16, 19, 38, 53, 76, 106, 152, 212, 304, 424, 848, 1007, 1291, 2014, 2582, 4028, 5164, 8056, 10328, 16112, 20656, 24529, 49058, 68423, 98116, 136846, 196232, 273692, 392464, 547384, 1094768, 1300037, 2600074, 5200148, 10400296, 20800592]

約数ペア:

[(1, 20800592), (2, 10400296), (4, 5200148), (8, 2600074), (16, 1300037), (19, 1094768), (38, 547384), (53, 392464), (76, 273692), (106, 196232), (152, 136846), (212, 98116), (304, 68423), (424, 49058), (848, 24529), (1007, 20656), (1291, 16112), (2014, 10328), (2582, 8056), (4028, 5164)]