20484592

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{593}}^1$

素因数の和:745

約数の個数: 40

約数和(自身を含む): 42425856

約数和(自身を除く): 21941264

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 127, 136, 254, 272, 508, 593, 1016, 1186, 2032, 2159, 2372, 4318, 4744, 8636, 9488, 10081, 17272, 20162, 34544, 40324, 75311, 80648, 150622, 161296, 301244, 602488, 1204976, 1280287, 2560574, 5121148, 10242296, 20484592]

約数ペア:

[(1, 20484592), (2, 10242296), (4, 5121148), (8, 2560574), (16, 1280287), (17, 1204976), (34, 602488), (68, 301244), (127, 161296), (136, 150622), (254, 80648), (272, 75311), (508, 40324), (593, 34544), (1016, 20162), (1186, 17272), (2032, 10081), (2159, 9488), (2372, 8636), (4318, 4744)]