20416728

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{307}}^1$

素因数の和:496

約数の個数: 64

約数和(自身を含む): 54552960

約数和(自身を除く): 34136232

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 102, 136, 163, 204, 307, 326, 408, 489, 614, 652, 921, 978, 1228, 1304, 1842, 1956, 2456, 2771, 3684, 3912, 5219, 5542, 7368, 8313, 10438, 11084, 15657, 16626, 20876, 22168, 31314, 33252, 41752, 50041, 62628, 66504, 100082, 125256, 150123, 200164, 300246, 400328, 600492, 850697, 1200984, 1701394, 2552091, 3402788, 5104182, 6805576, 10208364, 20416728]

約数ペア:

[(1, 20416728), (2, 10208364), (3, 6805576), (4, 5104182), (6, 3402788), (8, 2552091), (12, 1701394), (17, 1200984), (24, 850697), (34, 600492), (51, 400328), (68, 300246), (102, 200164), (136, 150123), (163, 125256), (204, 100082), (307, 66504), (326, 62628), (408, 50041), (489, 41752), (614, 33252), (652, 31314), (921, 22168), (978, 20876), (1228, 16626), (1304, 15657), (1842, 11084), (1956, 10438), (2456, 8313), (2771, 7368), (3684, 5542), (3912, 5219)]