20889088

素因数分解:

$2^9\times {\mathrm{11}}^1\times {\mathrm{3709}}^1$

素因数の和:3738

約数の個数: 40

約数和(自身を含む): 45543960

約数和(自身を除く): 24654872

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 128, 176, 256, 352, 512, 704, 1408, 2816, 3709, 5632, 7418, 14836, 29672, 40799, 59344, 81598, 118688, 163196, 237376, 326392, 474752, 652784, 949504, 1305568, 1899008, 2611136, 5222272, 10444544, 20889088]

約数ペア:

[(1, 20889088), (2, 10444544), (4, 5222272), (8, 2611136), (11, 1899008), (16, 1305568), (22, 949504), (32, 652784), (44, 474752), (64, 326392), (88, 237376), (128, 163196), (176, 118688), (256, 81598), (352, 59344), (512, 40799), (704, 29672), (1408, 14836), (2816, 7418), (3709, 5632)]