20171447560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{147409}}^1$

素因数の和:147742

約数の個数: 64

約数和(自身を含む): 49671273600

約数和(自身を除く): 29499826040

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 311, 440, 622, 1244, 1555, 2488, 3110, 3421, 6220, 6842, 12440, 13684, 17105, 27368, 34210, 68420, 136840, 147409, 294818, 589636, 737045, 1179272, 1474090, 1621499, 2948180, 3242998, 5896360, 6485996, 8107495, 12971992, 16214990, 32429980, 45844199, 64859960, 91688398, 183376796, 229220995, 366753592, 458441990, 504286189, 916883980, 1008572378, 1833767960, 2017144756, 2521430945, 4034289512, 5042861890, 10085723780, 20171447560]

約数ペア:

[(1, 20171447560), (2, 10085723780), (4, 5042861890), (5, 4034289512), (8, 2521430945), (10, 2017144756), (11, 1833767960), (20, 1008572378), (22, 916883980), (40, 504286189), (44, 458441990), (55, 366753592), (88, 229220995), (110, 183376796), (220, 91688398), (311, 64859960), (440, 45844199), (622, 32429980), (1244, 16214990), (1555, 12971992), (2488, 8107495), (3110, 6485996), (3421, 5896360), (6220, 3242998), (6842, 2948180), (12440, 1621499), (13684, 1474090), (17105, 1179272), (27368, 737045), (34210, 589636), (68420, 294818), (136840, 147409)]