20781284162

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1249}}^1\times {\mathrm{19037}}^1$

素因数の和:20330

約数の個数: 32

約数和(自身を含む): 34268400000

約数和(自身を除く): 13487115838

約数列:

[1, 2, 19, 23, 38, 46, 437, 874, 1249, 2498, 19037, 23731, 28727, 38074, 47462, 57454, 361703, 437851, 545813, 723406, 875702, 1091626, 8319169, 16638338, 23777213, 47554426, 451767047, 546875899, 903534094, 1093751798, 10390642081, 20781284162]

約数ペア:

[(1, 20781284162), (2, 10390642081), (19, 1093751798), (23, 903534094), (38, 546875899), (46, 451767047), (437, 47554426), (874, 23777213), (1249, 16638338), (2498, 8319169), (19037, 1091626), (23731, 875702), (28727, 723406), (38074, 545813), (47462, 437851), (57454, 361703)]