20888921367

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{317}}^1\times {\mathrm{4153}}^1$

素因数の和:4560

約数の個数: 48

約数和(自身を含む): 31735031328

約数和(自身を除く): 10846109961

約数列:

[1, 3, 9, 41, 43, 123, 129, 317, 369, 387, 951, 1763, 2853, 4153, 5289, 12459, 12997, 13631, 15867, 37377, 38991, 40893, 116973, 122679, 170273, 178579, 510819, 535737, 558871, 1316501, 1532457, 1607211, 1676613, 3949503, 5029839, 7321739, 11848509, 21965217, 53976541, 56609543, 65895651, 161929623, 169828629, 485788869, 509485887, 2320991263, 6962973789, 20888921367]

約数ペア:

[(1, 20888921367), (3, 6962973789), (9, 2320991263), (41, 509485887), (43, 485788869), (123, 169828629), (129, 161929623), (317, 65895651), (369, 56609543), (387, 53976541), (951, 21965217), (1763, 11848509), (2853, 7321739), (4153, 5029839), (5289, 3949503), (12459, 1676613), (12997, 1607211), (13631, 1532457), (15867, 1316501), (37377, 558871), (38991, 535737), (40893, 510819), (116973, 178579), (122679, 170273)]