20129557744

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{307}}^1\times {\mathrm{241061}}^1$

素因数の和:241393

約数の個数: 40

約数和(自身を含む): 41429879568

約数和(自身を除く): 21300321824

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 307, 614, 1228, 2456, 4912, 5219, 10438, 20876, 41752, 83504, 241061, 482122, 964244, 1928488, 3856976, 4098037, 8196074, 16392148, 32784296, 65568592, 74005727, 148011454, 296022908, 592045816, 1184091632, 1258097359, 2516194718, 5032389436, 10064778872, 20129557744]

約数ペア:

[(1, 20129557744), (2, 10064778872), (4, 5032389436), (8, 2516194718), (16, 1258097359), (17, 1184091632), (34, 592045816), (68, 296022908), (136, 148011454), (272, 74005727), (307, 65568592), (614, 32784296), (1228, 16392148), (2456, 8196074), (4912, 4098037), (5219, 3856976), (10438, 1928488), (20876, 964244), (41752, 482122), (83504, 241061)]