20788049378

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{787}}^1\times {\mathrm{1319}}^1$

素因数の和:2175

約数の個数: 64

約数和(自身を含む): 35947929600

約数和(自身を除く): 15159880222

約数列:

[1, 2, 17, 19, 31, 34, 38, 62, 323, 527, 589, 646, 787, 1054, 1178, 1319, 1574, 2638, 10013, 13379, 14953, 20026, 22423, 24397, 25061, 26758, 29906, 40889, 44846, 48794, 50122, 81778, 254201, 414749, 426037, 463543, 508402, 695113, 776891, 829498, 852074, 927086, 1038053, 1390226, 1553782, 2076106, 7880231, 13207147, 15760462, 17646901, 19723007, 26414294, 32179643, 35293802, 39446014, 64359286, 335291119, 547053931, 611413217, 670582238, 1094107862, 1222826434, 10394024689, 20788049378]

約数ペア:

[(1, 20788049378), (2, 10394024689), (17, 1222826434), (19, 1094107862), (31, 670582238), (34, 611413217), (38, 547053931), (62, 335291119), (323, 64359286), (527, 39446014), (589, 35293802), (646, 32179643), (787, 26414294), (1054, 19723007), (1178, 17646901), (1319, 15760462), (1574, 13207147), (2638, 7880231), (10013, 2076106), (13379, 1553782), (14953, 1390226), (20026, 1038053), (22423, 927086), (24397, 852074), (25061, 829498), (26758, 776891), (29906, 695113), (40889, 508402), (44846, 463543), (48794, 426037), (50122, 414749), (81778, 254201)]