20763144824

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{491}}^1\times {\mathrm{278207}}^1$

素因数の和:278723

約数の個数: 32

約数和(自身を含む): 41063500800

約数和(自身を除く): 20300355976

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 491, 982, 1964, 3928, 9329, 18658, 37316, 74632, 278207, 556414, 1112828, 2225656, 5285933, 10571866, 21143732, 42287464, 136599637, 273199274, 546398548, 1092797096, 2595393103, 5190786206, 10381572412, 20763144824]

約数ペア:

[(1, 20763144824), (2, 10381572412), (4, 5190786206), (8, 2595393103), (19, 1092797096), (38, 546398548), (76, 273199274), (152, 136599637), (491, 42287464), (982, 21143732), (1964, 10571866), (3928, 5285933), (9329, 2225656), (18658, 1112828), (37316, 556414), (74632, 278207)]