20884068

素因数分解:

$2^2\times 3^4\times {\mathrm{43}}^1\times {\mathrm{1499}}^1$

素因数の和:1558

約数の個数: 60

約数和(自身を含む): 55902000

約数和(自身を除く): 35017932

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 43, 54, 81, 86, 108, 129, 162, 172, 258, 324, 387, 516, 774, 1161, 1499, 1548, 2322, 2998, 3483, 4497, 4644, 5996, 6966, 8994, 13491, 13932, 17988, 26982, 40473, 53964, 64457, 80946, 121419, 128914, 161892, 193371, 242838, 257828, 386742, 485676, 580113, 773484, 1160226, 1740339, 2320452, 3480678, 5221017, 6961356, 10442034, 20884068]

約数ペア:

[(1, 20884068), (2, 10442034), (3, 6961356), (4, 5221017), (6, 3480678), (9, 2320452), (12, 1740339), (18, 1160226), (27, 773484), (36, 580113), (43, 485676), (54, 386742), (81, 257828), (86, 242838), (108, 193371), (129, 161892), (162, 128914), (172, 121419), (258, 80946), (324, 64457), (387, 53964), (516, 40473), (774, 26982), (1161, 17988), (1499, 13932), (1548, 13491), (2322, 8994), (2998, 6966), (3483, 5996), (4497, 4644)]