20728168056

素因数分解:

$2^3\times 3^3\times {\mathrm{2389}}^1\times {\mathrm{40169}}^1$

素因数の和:42573

約数の個数: 64

約数和(自身を含む): 57603780000

約数和(自身を除く): 36875611944

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 216, 2389, 4778, 7167, 9556, 14334, 19112, 21501, 28668, 40169, 43002, 57336, 64503, 80338, 86004, 120507, 129006, 160676, 172008, 241014, 258012, 321352, 361521, 482028, 516024, 723042, 964056, 1084563, 1446084, 2169126, 2892168, 4338252, 8676504, 95963741, 191927482, 287891223, 383854964, 575782446, 767709928, 863673669, 1151564892, 1727347338, 2303129784, 2591021007, 3454694676, 5182042014, 6909389352, 10364084028, 20728168056]

約数ペア:

[(1, 20728168056), (2, 10364084028), (3, 6909389352), (4, 5182042014), (6, 3454694676), (8, 2591021007), (9, 2303129784), (12, 1727347338), (18, 1151564892), (24, 863673669), (27, 767709928), (36, 575782446), (54, 383854964), (72, 287891223), (108, 191927482), (216, 95963741), (2389, 8676504), (4778, 4338252), (7167, 2892168), (9556, 2169126), (14334, 1446084), (19112, 1084563), (21501, 964056), (28668, 723042), (40169, 516024), (43002, 482028), (57336, 361521), (64503, 321352), (80338, 258012), (86004, 241014), (120507, 172008), (129006, 160676)]