20900672

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{25121}}^1$

素因数の和:25146

約数の個数: 28

約数和(自身を含む): 44666916

約数和(自身を除く): 23766244

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 832, 25121, 50242, 100484, 200968, 326573, 401936, 653146, 803872, 1306292, 1607744, 2612584, 5225168, 10450336, 20900672]

約数ペア:

[(1, 20900672), (2, 10450336), (4, 5225168), (8, 2612584), (13, 1607744), (16, 1306292), (26, 803872), (32, 653146), (52, 401936), (64, 326573), (104, 200968), (208, 100484), (416, 50242), (832, 25121)]