20671388

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{13217}}^1$

素因数の和:13261

約数の個数: 24

約数和(自身を含む): 39971232

約数和(自身を除く): 19299844

約数列:

[1, 2, 4, 17, 23, 34, 46, 68, 92, 391, 782, 1564, 13217, 26434, 52868, 224689, 303991, 449378, 607982, 898756, 1215964, 5167847, 10335694, 20671388]

約数ペア:

[(1, 20671388), (2, 10335694), (4, 5167847), (17, 1215964), (23, 898756), (34, 607982), (46, 449378), (68, 303991), (92, 224689), (391, 52868), (782, 26434), (1564, 13217)]