20193836

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{1433}}^1$

素因数の和:1721

約数の個数: 24

約数和(自身を含む): 38224704

約数和(自身を除く): 18030868

約数列:

[1, 2, 4, 13, 26, 52, 271, 542, 1084, 1433, 2866, 3523, 5732, 7046, 14092, 18629, 37258, 74516, 388343, 776686, 1553372, 5048459, 10096918, 20193836]

約数ペア:

[(1, 20193836), (2, 10096918), (4, 5048459), (13, 1553372), (26, 776686), (52, 388343), (271, 74516), (542, 37258), (1084, 18629), (1433, 14092), (2866, 7046), (3523, 5732)]