20741136

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{773}}^1$

素因数の和:840

約数の個数: 80

約数和(自身を含む): 59121216

約数和(自身を除く): 38380080

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 43, 48, 52, 78, 86, 104, 129, 156, 172, 208, 258, 312, 344, 516, 559, 624, 688, 773, 1032, 1118, 1546, 1677, 2064, 2236, 2319, 3092, 3354, 4472, 4638, 6184, 6708, 8944, 9276, 10049, 12368, 13416, 18552, 20098, 26832, 30147, 33239, 37104, 40196, 60294, 66478, 80392, 99717, 120588, 132956, 160784, 199434, 241176, 265912, 398868, 432107, 482352, 531824, 797736, 864214, 1296321, 1595472, 1728428, 2592642, 3456856, 5185284, 6913712, 10370568, 20741136]

約数ペア:

[(1, 20741136), (2, 10370568), (3, 6913712), (4, 5185284), (6, 3456856), (8, 2592642), (12, 1728428), (13, 1595472), (16, 1296321), (24, 864214), (26, 797736), (39, 531824), (43, 482352), (48, 432107), (52, 398868), (78, 265912), (86, 241176), (104, 199434), (129, 160784), (156, 132956), (172, 120588), (208, 99717), (258, 80392), (312, 66478), (344, 60294), (516, 40196), (559, 37104), (624, 33239), (688, 30147), (773, 26832), (1032, 20098), (1118, 18552), (1546, 13416), (1677, 12368), (2064, 10049), (2236, 9276), (2319, 8944), (3092, 6708), (3354, 6184), (4472, 4638)]