20406168

素因数分解:

$2^3\times 3^6\times {\mathrm{3499}}^1$

素因数の和:3523

約数の個数: 56

約数和(自身を含む): 57382500

約数和(自身を除く): 36976332

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 243, 324, 486, 648, 729, 972, 1458, 1944, 2916, 3499, 5832, 6998, 10497, 13996, 20994, 27992, 31491, 41988, 62982, 83976, 94473, 125964, 188946, 251928, 283419, 377892, 566838, 755784, 850257, 1133676, 1700514, 2267352, 2550771, 3401028, 5101542, 6802056, 10203084, 20406168]

約数ペア:

[(1, 20406168), (2, 10203084), (3, 6802056), (4, 5101542), (6, 3401028), (8, 2550771), (9, 2267352), (12, 1700514), (18, 1133676), (24, 850257), (27, 755784), (36, 566838), (54, 377892), (72, 283419), (81, 251928), (108, 188946), (162, 125964), (216, 94473), (243, 83976), (324, 62982), (486, 41988), (648, 31491), (729, 27992), (972, 20994), (1458, 13996), (1944, 10497), (2916, 6998), (3499, 5832)]