20172718990

素因数分解:

$2^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{1669}}^1\times {\mathrm{4703}}^1$

素因数の和:6636

約数の個数: 32

約数和(自身を含む): 36481777920

約数和(自身を除く): 16309058930

約数列:

[1, 2, 5, 10, 257, 514, 1285, 1669, 2570, 3338, 4703, 8345, 9406, 16690, 23515, 47030, 428933, 857866, 1208671, 2144665, 2417342, 4289330, 6043355, 7849307, 12086710, 15698614, 39246535, 78493070, 2017271899, 4034543798, 10086359495, 20172718990]

約数ペア:

[(1, 20172718990), (2, 10086359495), (5, 4034543798), (10, 2017271899), (257, 78493070), (514, 39246535), (1285, 15698614), (1669, 12086710), (2570, 7849307), (3338, 6043355), (4703, 4289330), (8345, 2417342), (9406, 2144665), (16690, 1208671), (23515, 857866), (47030, 428933)]