20398144

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{24517}}^1$

素因数の和:24542

約数の個数: 28

約数和(自身を含む): 43593004

約数和(自身を除く): 23194860

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 832, 24517, 49034, 98068, 196136, 318721, 392272, 637442, 784544, 1274884, 1569088, 2549768, 5099536, 10199072, 20398144]

約数ペア:

[(1, 20398144), (2, 10199072), (4, 5099536), (8, 2549768), (13, 1569088), (16, 1274884), (26, 784544), (32, 637442), (52, 392272), (64, 318721), (104, 196136), (208, 98068), (416, 49034), (832, 24517)]