20903836

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{151}}^1\times {\mathrm{653}}^1$

素因数の和:861

約数の個数: 24

約数和(自身を含む): 37576224

約数和(自身を除く): 16672388

約数列:

[1, 2, 4, 53, 106, 151, 212, 302, 604, 653, 1306, 2612, 8003, 16006, 32012, 34609, 69218, 98603, 138436, 197206, 394412, 5225959, 10451918, 20903836]

約数ペア:

[(1, 20903836), (2, 10451918), (4, 5225959), (53, 394412), (106, 197206), (151, 138436), (212, 98603), (302, 69218), (604, 34609), (653, 32012), (1306, 16006), (2612, 8003)]