20808670454

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{26371}}^1$

素因数の和:26517

約数の個数: 64

約数和(自身を含む): 38279485440

約数和(自身を除く): 17470814986

約数列:

[1, 2, 11, 13, 22, 26, 31, 62, 89, 143, 178, 286, 341, 403, 682, 806, 979, 1157, 1958, 2314, 2759, 4433, 5518, 8866, 12727, 25454, 26371, 30349, 35867, 52742, 60698, 71734, 290081, 342823, 394537, 580162, 685646, 789074, 817501, 1635002, 2347019, 3771053, 4694038, 7542106, 8992511, 10627513, 17985022, 21255026, 25817209, 30511247, 51634418, 61022494, 72757589, 116902643, 145515178, 233805286, 335623717, 671247434, 800333479, 945848657, 1600666958, 1891697314, 10404335227, 20808670454]

約数ペア:

[(1, 20808670454), (2, 10404335227), (11, 1891697314), (13, 1600666958), (22, 945848657), (26, 800333479), (31, 671247434), (62, 335623717), (89, 233805286), (143, 145515178), (178, 116902643), (286, 72757589), (341, 61022494), (403, 51634418), (682, 30511247), (806, 25817209), (979, 21255026), (1157, 17985022), (1958, 10627513), (2314, 8992511), (2759, 7542106), (4433, 4694038), (5518, 3771053), (8866, 2347019), (12727, 1635002), (25454, 817501), (26371, 789074), (30349, 685646), (35867, 580162), (52742, 394537), (60698, 342823), (71734, 290081)]