20897344

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{25117}}^1$

素因数の和:25142

約数の個数: 28

約数和(自身を含む): 44659804

約数和(自身を除く): 23762460

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 832, 25117, 50234, 100468, 200936, 326521, 401872, 653042, 803744, 1306084, 1607488, 2612168, 5224336, 10448672, 20897344]

約数ペア:

[(1, 20897344), (2, 10448672), (4, 5224336), (8, 2612168), (13, 1607488), (16, 1306084), (26, 803744), (32, 653042), (52, 401872), (64, 326521), (104, 200936), (208, 100468), (416, 50234), (832, 25117)]