20152806044

素因数分解:

$2^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{293}}^1\times {\mathrm{8161}}^1$

素因数の和:8515

約数の個数: 72

約数和(自身を含む): 42127869168

約数和(自身を除く): 21975063124

約数列:

[1, 2, 4, 7, 14, 28, 43, 49, 86, 98, 172, 196, 293, 301, 586, 602, 1172, 1204, 2051, 2107, 4102, 4214, 8161, 8204, 8428, 12599, 14357, 16322, 25198, 28714, 32644, 50396, 57127, 57428, 88193, 114254, 176386, 228508, 350923, 352772, 399889, 617351, 701846, 799778, 1234702, 1403692, 1599556, 2391173, 2456461, 2469404, 4782346, 4912922, 9564692, 9825844, 16738211, 17195227, 33476422, 34390454, 66952844, 68780908, 102820439, 117167477, 205640878, 234334954, 411281756, 468669908, 719743073, 1439486146, 2878972292, 5038201511, 10076403022, 20152806044]

約数ペア:

[(1, 20152806044), (2, 10076403022), (4, 5038201511), (7, 2878972292), (14, 1439486146), (28, 719743073), (43, 468669908), (49, 411281756), (86, 234334954), (98, 205640878), (172, 117167477), (196, 102820439), (293, 68780908), (301, 66952844), (586, 34390454), (602, 33476422), (1172, 17195227), (1204, 16738211), (2051, 9825844), (2107, 9564692), (4102, 4912922), (4214, 4782346), (8161, 2469404), (8204, 2456461), (8428, 2391173), (12599, 1599556), (14357, 1403692), (16322, 1234702), (25198, 799778), (28714, 701846), (32644, 617351), (50396, 399889), (57127, 352772), (57428, 350923), (88193, 228508), (114254, 176386)]