20974698

素因数分解:

$2^1\times 3^2\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{293}}^1$

素因数の和:439

約数の個数: 48

約数和(自身を含む): 47194056

約数和(自身を除く): 26219358

約数列:

[1, 2, 3, 6, 9, 18, 41, 82, 97, 123, 194, 246, 291, 293, 369, 582, 586, 738, 873, 879, 1746, 1758, 2637, 3977, 5274, 7954, 11931, 12013, 23862, 24026, 28421, 35793, 36039, 56842, 71586, 72078, 85263, 108117, 170526, 216234, 255789, 511578, 1165261, 2330522, 3495783, 6991566, 10487349, 20974698]

約数ペア:

[(1, 20974698), (2, 10487349), (3, 6991566), (6, 3495783), (9, 2330522), (18, 1165261), (41, 511578), (82, 255789), (97, 216234), (123, 170526), (194, 108117), (246, 85263), (291, 72078), (293, 71586), (369, 56842), (582, 36039), (586, 35793), (738, 28421), (873, 24026), (879, 23862), (1746, 12013), (1758, 11931), (2637, 7954), (3977, 5274)]