20500720058

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1\times {\mathrm{1747}}^1$

素因数の和:1988

約数の個数: 96

約数和(自身を含む): 39436725888

約数和(自身を除く): 18936005830

約数列:

[1, 2, 7, 13, 14, 26, 49, 61, 91, 98, 122, 151, 182, 302, 427, 637, 793, 854, 1057, 1274, 1586, 1747, 1963, 2114, 2989, 3494, 3926, 5551, 5978, 7399, 9211, 11102, 12229, 13741, 14798, 18422, 22711, 24458, 27482, 38857, 45422, 64477, 77714, 85603, 96187, 106567, 119743, 128954, 158977, 171206, 192374, 213134, 239486, 263797, 317954, 451339, 527594, 745969, 838201, 902678, 1112839, 1385371, 1491938, 1676402, 1846579, 2225678, 2770742, 3429361, 3693158, 5221783, 5867407, 6858722, 9697597, 10443566, 11734814, 12926053, 16091617, 19395194, 24005527, 25852106, 32183234, 48011054, 67883179, 112641319, 135766358, 168038689, 209191021, 225282638, 336077378, 418382042, 788489233, 1464337147, 1576978466, 2928674294, 10250360029, 20500720058]

約数ペア:

[(1, 20500720058), (2, 10250360029), (7, 2928674294), (13, 1576978466), (14, 1464337147), (26, 788489233), (49, 418382042), (61, 336077378), (91, 225282638), (98, 209191021), (122, 168038689), (151, 135766358), (182, 112641319), (302, 67883179), (427, 48011054), (637, 32183234), (793, 25852106), (854, 24005527), (1057, 19395194), (1274, 16091617), (1586, 12926053), (1747, 11734814), (1963, 10443566), (2114, 9697597), (2989, 6858722), (3494, 5867407), (3926, 5221783), (5551, 3693158), (5978, 3429361), (7399, 2770742), (9211, 2225678), (11102, 1846579), (12229, 1676402), (13741, 1491938), (14798, 1385371), (18422, 1112839), (22711, 902678), (24458, 838201), (27482, 745969), (38857, 527594), (45422, 451339), (64477, 317954), (77714, 263797), (85603, 239486), (96187, 213134), (106567, 192374), (119743, 171206), (128954, 158977)]