20165953756

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{643}}^1\times {\mathrm{4339}}^1$

素因数の和:5138

約数の個数: 48

約数和(自身を含む): 38346851200

約数和(自身を除く): 18180897444

約数列:

[1, 2, 4, 13, 26, 52, 139, 278, 556, 643, 1286, 1807, 2572, 3614, 4339, 7228, 8359, 8678, 16718, 17356, 33436, 56407, 89377, 112814, 178754, 225628, 357508, 603121, 1161901, 1206242, 2323802, 2412484, 2789977, 4647604, 5579954, 7840573, 11159908, 15681146, 31362292, 36269701, 72539402, 145078804, 387806803, 775613606, 1551227212, 5041488439, 10082976878, 20165953756]

約数ペア:

[(1, 20165953756), (2, 10082976878), (4, 5041488439), (13, 1551227212), (26, 775613606), (52, 387806803), (139, 145078804), (278, 72539402), (556, 36269701), (643, 31362292), (1286, 15681146), (1807, 11159908), (2572, 7840573), (3614, 5579954), (4339, 4647604), (7228, 2789977), (8359, 2412484), (8678, 2323802), (16718, 1206242), (17356, 1161901), (33436, 603121), (56407, 357508), (89377, 225628), (112814, 178754)]