20119356

素因数分解:

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

素因数の和:411

約数の個数: 72

約数和(自身を含む): 53477424

約数和(自身を除く): 33358068

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 41, 43, 82, 86, 123, 129, 164, 172, 246, 258, 317, 369, 387, 492, 516, 634, 738, 774, 951, 1268, 1476, 1548, 1763, 1902, 2853, 3526, 3804, 5289, 5706, 7052, 10578, 11412, 12997, 13631, 15867, 21156, 25994, 27262, 31734, 38991, 40893, 51988, 54524, 63468, 77982, 81786, 116973, 122679, 155964, 163572, 233946, 245358, 467892, 490716, 558871, 1117742, 1676613, 2235484, 3353226, 5029839, 6706452, 10059678, 20119356]

約数ペア:

[(1, 20119356), (2, 10059678), (3, 6706452), (4, 5029839), (6, 3353226), (9, 2235484), (12, 1676613), (18, 1117742), (36, 558871), (41, 490716), (43, 467892), (82, 245358), (86, 233946), (123, 163572), (129, 155964), (164, 122679), (172, 116973), (246, 81786), (258, 77982), (317, 63468), (369, 54524), (387, 51988), (492, 40893), (516, 38991), (634, 31734), (738, 27262), (774, 25994), (951, 21156), (1268, 15867), (1476, 13631), (1548, 12997), (1763, 11412), (1902, 10578), (2853, 7052), (3526, 5706), (3804, 5289)]