20085884

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{7883}}^1$

素因数の和:7914

約数の個数: 36

約数和(自身を含む): 44040024

約数和(自身を除く): 23954140

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 182, 196, 364, 637, 1274, 2548, 7883, 15766, 31532, 55181, 102479, 110362, 204958, 220724, 386267, 409916, 717353, 772534, 1434706, 1545068, 2869412, 5021471, 10042942, 20085884]

約数ペア:

[(1, 20085884), (2, 10042942), (4, 5021471), (7, 2869412), (13, 1545068), (14, 1434706), (26, 772534), (28, 717353), (49, 409916), (52, 386267), (91, 220724), (98, 204958), (182, 110362), (196, 102479), (364, 55181), (637, 31532), (1274, 15766), (2548, 7883)]