20804900116

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{5196029}}^1$

素因数の和:5196064

約数の個数: 48

約数和(自身を含む): 48884250240

約数和(自身を除く): 28079350124

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 77, 91, 143, 154, 182, 286, 308, 364, 572, 1001, 2002, 4004, 5196029, 10392058, 20784116, 36372203, 57156319, 67548377, 72744406, 114312638, 135096754, 145488812, 228625276, 270193508, 400094233, 472838639, 743032147, 800188466, 945677278, 1486064294, 1600376932, 1891354556, 2972128588, 5201225029, 10402450058, 20804900116]

約数ペア:

[(1, 20804900116), (2, 10402450058), (4, 5201225029), (7, 2972128588), (11, 1891354556), (13, 1600376932), (14, 1486064294), (22, 945677278), (26, 800188466), (28, 743032147), (44, 472838639), (52, 400094233), (77, 270193508), (91, 228625276), (143, 145488812), (154, 135096754), (182, 114312638), (286, 72744406), (308, 67548377), (364, 57156319), (572, 36372203), (1001, 20784116), (2002, 10392058), (4004, 5196029)]