20655882

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{2153}}^1$

素因数の和:2215

約数の個数: 48

約数和(自身を含む): 49395528

約数和(自身を除く): 28739646

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 41, 78, 82, 117, 123, 234, 246, 369, 533, 738, 1066, 1599, 2153, 3198, 4306, 4797, 6459, 9594, 12918, 19377, 27989, 38754, 55978, 83967, 88273, 167934, 176546, 251901, 264819, 503802, 529638, 794457, 1147549, 1588914, 2295098, 3442647, 6885294, 10327941, 20655882]

約数ペア:

[(1, 20655882), (2, 10327941), (3, 6885294), (6, 3442647), (9, 2295098), (13, 1588914), (18, 1147549), (26, 794457), (39, 529638), (41, 503802), (78, 264819), (82, 251901), (117, 176546), (123, 167934), (234, 88273), (246, 83967), (369, 55978), (533, 38754), (738, 27989), (1066, 19377), (1599, 12918), (2153, 9594), (3198, 6459), (4306, 4797)]