20167348040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{525739}}^1$

素因数の和:525894

約数の個数: 64

約数和(自身を含む): 52237526400

約数和(自身を除く): 32070178360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 137, 140, 274, 280, 548, 685, 959, 1096, 1370, 1918, 2740, 3836, 4795, 5480, 7672, 9590, 19180, 38360, 525739, 1051478, 2102956, 2628695, 3680173, 4205912, 5257390, 7360346, 10514780, 14720692, 18400865, 21029560, 29441384, 36801730, 72026243, 73603460, 144052486, 147206920, 288104972, 360131215, 504183701, 576209944, 720262430, 1008367402, 1440524860, 2016734804, 2520918505, 2881049720, 4033469608, 5041837010, 10083674020, 20167348040]

約数ペア:

[(1, 20167348040), (2, 10083674020), (4, 5041837010), (5, 4033469608), (7, 2881049720), (8, 2520918505), (10, 2016734804), (14, 1440524860), (20, 1008367402), (28, 720262430), (35, 576209944), (40, 504183701), (56, 360131215), (70, 288104972), (137, 147206920), (140, 144052486), (274, 73603460), (280, 72026243), (548, 36801730), (685, 29441384), (959, 21029560), (1096, 18400865), (1370, 14720692), (1918, 10514780), (2740, 7360346), (3836, 5257390), (4795, 4205912), (5480, 3680173), (7672, 2628695), (9590, 2102956), (19180, 1051478), (38360, 525739)]