20199643136

素因数分解:

$2^{11}\times {\mathrm{71}}^1\times {\mathrm{138917}}^1$

素因数の和:139010

約数の個数: 48

約数和(自身を含む): 40958583120

約数和(自身を除く): 20758939984

約数列:

[1, 2, 4, 8, 16, 32, 64, 71, 128, 142, 256, 284, 512, 568, 1024, 1136, 2048, 2272, 4544, 9088, 18176, 36352, 72704, 138917, 145408, 277834, 555668, 1111336, 2222672, 4445344, 8890688, 9863107, 17781376, 19726214, 35562752, 39452428, 71125504, 78904856, 142251008, 157809712, 284502016, 315619424, 631238848, 1262477696, 2524955392, 5049910784, 10099821568, 20199643136]

約数ペア:

[(1, 20199643136), (2, 10099821568), (4, 5049910784), (8, 2524955392), (16, 1262477696), (32, 631238848), (64, 315619424), (71, 284502016), (128, 157809712), (142, 142251008), (256, 78904856), (284, 71125504), (512, 39452428), (568, 35562752), (1024, 19726214), (1136, 17781376), (2048, 9863107), (2272, 8890688), (4544, 4445344), (9088, 2222672), (18176, 1111336), (36352, 555668), (72704, 277834), (138917, 145408)]