20783060935

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{919}}^1\times {\mathrm{2161}}^1$

素因数の和:3128

約数の個数: 64

約数和(自身を含む): 32079237120

約数和(自身を除く): 11296176185

約数列:

[1, 5, 7, 13, 23, 35, 65, 91, 115, 161, 299, 455, 805, 919, 1495, 2093, 2161, 4595, 6433, 10465, 10805, 11947, 15127, 21137, 28093, 32165, 49703, 59735, 75635, 83629, 105685, 140465, 147959, 196651, 248515, 274781, 347921, 418145, 646139, 739795, 983255, 1373905, 1739605, 1923467, 1985959, 3230695, 4522973, 9617335, 9929795, 13901713, 22614865, 25817467, 45677057, 69508565, 129087335, 180722269, 228385285, 319739399, 593801741, 903611345, 1598696995, 2969008705, 4156612187, 20783060935]

約数ペア:

[(1, 20783060935), (5, 4156612187), (7, 2969008705), (13, 1598696995), (23, 903611345), (35, 593801741), (65, 319739399), (91, 228385285), (115, 180722269), (161, 129087335), (299, 69508565), (455, 45677057), (805, 25817467), (919, 22614865), (1495, 13901713), (2093, 9929795), (2161, 9617335), (4595, 4522973), (6433, 3230695), (10465, 1985959), (10805, 1923467), (11947, 1739605), (15127, 1373905), (21137, 983255), (28093, 739795), (32165, 646139), (49703, 418145), (59735, 347921), (75635, 274781), (83629, 248515), (105685, 196651), (140465, 147959)]