20179138212

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{1657}}^1\times {\mathrm{7867}}^1$

素因数の和:9577

約数の個数: 72

約数和(自身を含む): 52232756576

約数和(自身を除く): 32053618364

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 172, 258, 387, 516, 774, 1548, 1657, 3314, 4971, 6628, 7867, 9942, 14913, 15734, 19884, 23601, 29826, 31468, 47202, 59652, 70803, 71251, 94404, 141606, 142502, 213753, 283212, 285004, 338281, 427506, 641259, 676562, 855012, 1014843, 1282518, 1353124, 2029686, 2565036, 3044529, 4059372, 6089058, 12178116, 13035619, 26071238, 39106857, 52142476, 78213714, 117320571, 156427428, 234641142, 469282284, 560531617, 1121063234, 1681594851, 2242126468, 3363189702, 5044784553, 6726379404, 10089569106, 20179138212]

約数ペア:

[(1, 20179138212), (2, 10089569106), (3, 6726379404), (4, 5044784553), (6, 3363189702), (9, 2242126468), (12, 1681594851), (18, 1121063234), (36, 560531617), (43, 469282284), (86, 234641142), (129, 156427428), (172, 117320571), (258, 78213714), (387, 52142476), (516, 39106857), (774, 26071238), (1548, 13035619), (1657, 12178116), (3314, 6089058), (4971, 4059372), (6628, 3044529), (7867, 2565036), (9942, 2029686), (14913, 1353124), (15734, 1282518), (19884, 1014843), (23601, 855012), (29826, 676562), (31468, 641259), (47202, 427506), (59652, 338281), (70803, 285004), (71251, 283212), (94404, 213753), (141606, 142502)]