20199863180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{3355459}}^1$

素因数の和:3355518

約数の個数: 48

約数和(自身を含む): 49607120640

約数和(自身を除く): 29407257460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 301, 430, 602, 860, 1204, 1505, 3010, 6020, 3355459, 6710918, 13421836, 16777295, 23488213, 33554590, 46976426, 67109180, 93952852, 117441065, 144284737, 234882130, 288569474, 469764260, 577138948, 721423685, 1009993159, 1442847370, 2019986318, 2885694740, 4039972636, 5049965795, 10099931590, 20199863180]

約数ペア:

[(1, 20199863180), (2, 10099931590), (4, 5049965795), (5, 4039972636), (7, 2885694740), (10, 2019986318), (14, 1442847370), (20, 1009993159), (28, 721423685), (35, 577138948), (43, 469764260), (70, 288569474), (86, 234882130), (140, 144284737), (172, 117441065), (215, 93952852), (301, 67109180), (430, 46976426), (602, 33554590), (860, 23488213), (1204, 16777295), (1505, 13421836), (3010, 6710918), (6020, 3355459)]