20806422

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{719}}^1$

素因数の和:797

約数の個数: 64

約数和(自身を含む): 52254720

約数和(自身を除く): 31448298

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 53, 78, 91, 106, 159, 182, 273, 318, 371, 546, 689, 719, 742, 1113, 1378, 1438, 2067, 2157, 2226, 4134, 4314, 4823, 5033, 9347, 9646, 10066, 14469, 15099, 18694, 28041, 28938, 30198, 38107, 56082, 65429, 76214, 114321, 130858, 196287, 228642, 266749, 392574, 495391, 533498, 800247, 990782, 1486173, 1600494, 2972346, 3467737, 6935474, 10403211, 20806422]

約数ペア:

[(1, 20806422), (2, 10403211), (3, 6935474), (6, 3467737), (7, 2972346), (13, 1600494), (14, 1486173), (21, 990782), (26, 800247), (39, 533498), (42, 495391), (53, 392574), (78, 266749), (91, 228642), (106, 196287), (159, 130858), (182, 114321), (273, 76214), (318, 65429), (371, 56082), (546, 38107), (689, 30198), (719, 28938), (742, 28041), (1113, 18694), (1378, 15099), (1438, 14469), (2067, 10066), (2157, 9646), (2226, 9347), (4134, 5033), (4314, 4823)]