20337460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{547}}^1$

素因数の和:593

約数の個数: 72

約数和(自身を含む): 50543136

約数和(自身を除く): 30205676

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 169, 220, 260, 286, 338, 547, 572, 676, 715, 845, 1094, 1430, 1690, 1859, 2188, 2735, 2860, 3380, 3718, 5470, 6017, 7111, 7436, 9295, 10940, 12034, 14222, 18590, 24068, 28444, 30085, 35555, 37180, 60170, 71110, 78221, 92443, 120340, 142220, 156442, 184886, 312884, 369772, 391105, 462215, 782210, 924430, 1016873, 1564420, 1848860, 2033746, 4067492, 5084365, 10168730, 20337460]

約数ペア:

[(1, 20337460), (2, 10168730), (4, 5084365), (5, 4067492), (10, 2033746), (11, 1848860), (13, 1564420), (20, 1016873), (22, 924430), (26, 782210), (44, 462215), (52, 391105), (55, 369772), (65, 312884), (110, 184886), (130, 156442), (143, 142220), (169, 120340), (220, 92443), (260, 78221), (286, 71110), (338, 60170), (547, 37180), (572, 35555), (676, 30085), (715, 28444), (845, 24068), (1094, 18590), (1430, 14222), (1690, 12034), (1859, 10940), (2188, 9295), (2735, 7436), (2860, 7111), (3380, 6017), (3718, 5470)]