20397832

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{28019}}^1$

素因数の和:28045

約数の個数: 32

約数和(自身を含む): 47073600

約数和(自身を除く): 26675768

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 28019, 56038, 112076, 196133, 224152, 364247, 392266, 728494, 784532, 1456988, 1569064, 2549729, 2913976, 5099458, 10198916, 20397832]

約数ペア:

[(1, 20397832), (2, 10198916), (4, 5099458), (7, 2913976), (8, 2549729), (13, 1569064), (14, 1456988), (26, 784532), (28, 728494), (52, 392266), (56, 364247), (91, 224152), (104, 196133), (182, 112076), (364, 56038), (728, 28019)]