20479756

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{6947}}^1$

素因数の和:7029

約数の個数: 24

約数和(自身を含む): 39686976

約数和(自身を除く): 19207220

約数列:

[1, 2, 4, 11, 22, 44, 67, 134, 268, 737, 1474, 2948, 6947, 13894, 27788, 76417, 152834, 305668, 465449, 930898, 1861796, 5119939, 10239878, 20479756]

約数ペア:

[(1, 20479756), (2, 10239878), (4, 5119939), (11, 1861796), (22, 930898), (44, 465449), (67, 305668), (134, 152834), (268, 76417), (737, 27788), (1474, 13894), (2948, 6947)]