20761512984

素因数分解:

$2^3\times 3^2\times {\mathrm{907}}^1\times {\mathrm{317921}}^1$

素因数の和:318840

約数の個数: 48

約数和(自身を含む): 56291269320

約数和(自身を除く): 35529756336

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 907, 1814, 2721, 3628, 5442, 7256, 8163, 10884, 16326, 21768, 32652, 65304, 317921, 635842, 953763, 1271684, 1907526, 2543368, 2861289, 3815052, 5722578, 7630104, 11445156, 22890312, 288354347, 576708694, 865063041, 1153417388, 1730126082, 2306834776, 2595189123, 3460252164, 5190378246, 6920504328, 10380756492, 20761512984]

約数ペア:

[(1, 20761512984), (2, 10380756492), (3, 6920504328), (4, 5190378246), (6, 3460252164), (8, 2595189123), (9, 2306834776), (12, 1730126082), (18, 1153417388), (24, 865063041), (36, 576708694), (72, 288354347), (907, 22890312), (1814, 11445156), (2721, 7630104), (3628, 5722578), (5442, 3815052), (7256, 2861289), (8163, 2543368), (10884, 1907526), (16326, 1271684), (21768, 953763), (32652, 635842), (65304, 317921)]