20164492881

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^3\times {\mathrm{25127}}^1$

素因数の和:25203

約数の個数: 48

約数和(自身を含む): 33110663040

約数和(自身を除く): 12946170159

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 361, 741, 1083, 2223, 3249, 4693, 6859, 14079, 20577, 25127, 42237, 61731, 75381, 89167, 226143, 267501, 326651, 477413, 802503, 979953, 1432239, 2939859, 4296717, 6206369, 9070847, 18619107, 27212541, 55857321, 81637623, 117921011, 172346093, 353763033, 517038279, 1061289099, 1551114837, 2240499209, 6721497627, 20164492881]

約数ペア:

[(1, 20164492881), (3, 6721497627), (9, 2240499209), (13, 1551114837), (19, 1061289099), (39, 517038279), (57, 353763033), (117, 172346093), (171, 117921011), (247, 81637623), (361, 55857321), (741, 27212541), (1083, 18619107), (2223, 9070847), (3249, 6206369), (4693, 4296717), (6859, 2939859), (14079, 1432239), (20577, 979953), (25127, 802503), (42237, 477413), (61731, 326651), (75381, 267501), (89167, 226143)]