20201456

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{114781}}^1$

素因数の和:114800

約数の個数: 20

約数和(自身を含む): 42698904

約数和(自身を除く): 22497448

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 114781, 229562, 459124, 918248, 1262591, 1836496, 2525182, 5050364, 10100728, 20201456]

約数ペア:

[(1, 20201456), (2, 10100728), (4, 5050364), (8, 2525182), (11, 1836496), (16, 1262591), (22, 918248), (44, 459124), (88, 229562), (176, 114781)]