20312856

素因数分解:

$2^3\times 3^{10}\times {\mathrm{43}}^1$

素因数の和:79

約数の個数: 88

約数和(自身を含む): 58458180

約数和(自身を除く): 38145324

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 43, 54, 72, 81, 86, 108, 129, 162, 172, 216, 243, 258, 324, 344, 387, 486, 516, 648, 729, 774, 972, 1032, 1161, 1458, 1548, 1944, 2187, 2322, 2916, 3096, 3483, 4374, 4644, 5832, 6561, 6966, 8748, 9288, 10449, 13122, 13932, 17496, 19683, 20898, 26244, 27864, 31347, 39366, 41796, 52488, 59049, 62694, 78732, 83592, 94041, 118098, 125388, 157464, 188082, 236196, 250776, 282123, 376164, 472392, 564246, 752328, 846369, 1128492, 1692738, 2256984, 2539107, 3385476, 5078214, 6770952, 10156428, 20312856]

約数ペア:

[(1, 20312856), (2, 10156428), (3, 6770952), (4, 5078214), (6, 3385476), (8, 2539107), (9, 2256984), (12, 1692738), (18, 1128492), (24, 846369), (27, 752328), (36, 564246), (43, 472392), (54, 376164), (72, 282123), (81, 250776), (86, 236196), (108, 188082), (129, 157464), (162, 125388), (172, 118098), (216, 94041), (243, 83592), (258, 78732), (324, 62694), (344, 59049), (387, 52488), (486, 41796), (516, 39366), (648, 31347), (729, 27864), (774, 26244), (972, 20898), (1032, 19683), (1161, 17496), (1458, 13932), (1548, 13122), (1944, 10449), (2187, 9288), (2322, 8748), (2916, 6966), (3096, 6561), (3483, 5832), (4374, 4644)]