20125945161

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{132721}}^1$

素因数の和:132846

約数の個数: 48

約数和(自身を含む): 34783781760

約数和(自身を除く): 14657836599

約数列:

[1, 3, 7, 9, 21, 29, 63, 83, 87, 203, 249, 261, 581, 609, 747, 1743, 1827, 2407, 5229, 7221, 16849, 21663, 50547, 132721, 151641, 398163, 929047, 1194489, 2787141, 3848909, 8361423, 11015843, 11546727, 26942363, 33047529, 34640181, 77110901, 80827089, 99142587, 231332703, 242481267, 319459447, 693998109, 958378341, 2236216129, 2875135023, 6708648387, 20125945161]

約数ペア:

[(1, 20125945161), (3, 6708648387), (7, 2875135023), (9, 2236216129), (21, 958378341), (29, 693998109), (63, 319459447), (83, 242481267), (87, 231332703), (203, 99142587), (249, 80827089), (261, 77110901), (581, 34640181), (609, 33047529), (747, 26942363), (1743, 11546727), (1827, 11015843), (2407, 8361423), (5229, 3848909), (7221, 2787141), (16849, 1194489), (21663, 929047), (50547, 398163), (132721, 151641)]