20797264631

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{307}}^1\times {\mathrm{479}}^1$

素因数の和:876

約数の個数: 64

約数和(自身を含む): 26227998720

約数和(自身を除く): 5430734089

約数列:

[1, 11, 13, 23, 43, 143, 253, 299, 307, 473, 479, 559, 989, 3289, 3377, 3991, 5269, 6149, 6227, 7061, 10879, 11017, 12857, 13201, 20597, 43901, 68497, 77671, 91793, 121187, 141427, 143221, 145211, 147053, 171613, 226567, 267761, 303623, 473731, 1009723, 1575431, 1617583, 1887743, 1911689, 2945371, 3339853, 3382219, 3947099, 5211041, 6158503, 6323279, 21028579, 37204409, 43418089, 43968847, 67743533, 69556069, 82202627, 145435417, 483657317, 904228897, 1599789587, 1890660421, 20797264631]

約数ペア:

[(1, 20797264631), (11, 1890660421), (13, 1599789587), (23, 904228897), (43, 483657317), (143, 145435417), (253, 82202627), (299, 69556069), (307, 67743533), (473, 43968847), (479, 43418089), (559, 37204409), (989, 21028579), (3289, 6323279), (3377, 6158503), (3991, 5211041), (5269, 3947099), (6149, 3382219), (6227, 3339853), (7061, 2945371), (10879, 1911689), (11017, 1887743), (12857, 1617583), (13201, 1575431), (20597, 1009723), (43901, 473731), (68497, 303623), (77671, 267761), (91793, 226567), (121187, 171613), (141427, 147053), (143221, 145211)]