20342810920

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{539311}}^1$

素因数の和:539386

約数の個数: 64

約数和(自身を含む): 48926384640

約数和(自身を除く): 28583573720

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 41, 46, 82, 92, 115, 164, 184, 205, 230, 328, 410, 460, 820, 920, 943, 1640, 1886, 3772, 4715, 7544, 9430, 18860, 37720, 539311, 1078622, 2157244, 2696555, 4314488, 5393110, 10786220, 12404153, 21572440, 22111751, 24808306, 44223502, 49616612, 62020765, 88447004, 99233224, 110558755, 124041530, 176894008, 221117510, 248083060, 442235020, 496166120, 508570273, 884470040, 1017140546, 2034281092, 2542851365, 4068562184, 5085702730, 10171405460, 20342810920]

約数ペア:

[(1, 20342810920), (2, 10171405460), (4, 5085702730), (5, 4068562184), (8, 2542851365), (10, 2034281092), (20, 1017140546), (23, 884470040), (40, 508570273), (41, 496166120), (46, 442235020), (82, 248083060), (92, 221117510), (115, 176894008), (164, 124041530), (184, 110558755), (205, 99233224), (230, 88447004), (328, 62020765), (410, 49616612), (460, 44223502), (820, 24808306), (920, 22111751), (943, 21572440), (1640, 12404153), (1886, 10786220), (3772, 5393110), (4715, 4314488), (7544, 2696555), (9430, 2157244), (18860, 1078622), (37720, 539311)]