20458420281509

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{173}}^1\times {\mathrm{1913}}^1\times {\mathrm{2521}}^1$

素因数の和:4758

約数の個数: 64

約数和(自身を含む): 24512131657728

約数和(自身を除く): 4053711376219

約数列:

[1, 7, 31, 113, 173, 217, 791, 1211, 1913, 2521, 3503, 5363, 13391, 17647, 19549, 24521, 37541, 59303, 78151, 136843, 216169, 284873, 330949, 415121, 436133, 547057, 606019, 1513183, 1994111, 2316643, 3052931, 4242133, 4822673, 6701239, 8831063, 10259419, 13520123, 33758711, 37397237, 46908673, 49283029, 61817441, 71815933, 94640861, 149502863, 261780659, 344981203, 544962049, 834322429, 1046520041, 1159314347, 1527773899, 3814734343, 5840257003, 8115200429, 10694417293, 16893823519, 25863995299, 94278434477, 118256764633, 181047967093, 659949041339, 2922631468787, 20458420281509]

約数ペア:

[(1, 20458420281509), (7, 2922631468787), (31, 659949041339), (113, 181047967093), (173, 118256764633), (217, 94278434477), (791, 25863995299), (1211, 16893823519), (1913, 10694417293), (2521, 8115200429), (3503, 5840257003), (5363, 3814734343), (13391, 1527773899), (17647, 1159314347), (19549, 1046520041), (24521, 834322429), (37541, 544962049), (59303, 344981203), (78151, 261780659), (136843, 149502863), (216169, 94640861), (284873, 71815933), (330949, 61817441), (415121, 49283029), (436133, 46908673), (547057, 37397237), (606019, 33758711), (1513183, 13520123), (1994111, 10259419), (2316643, 8831063), (3052931, 6701239), (4242133, 4822673)]