20872196

素因数分解:

$2^2\times {\mathrm{127}}^1\times {\mathrm{181}}^1\times {\mathrm{227}}^1$

素因数の和:539

約数の個数: 24

約数和(自身を含む): 37180416

約数和(自身を除く): 16308220

約数列:

[1, 2, 4, 127, 181, 227, 254, 362, 454, 508, 724, 908, 22987, 28829, 41087, 45974, 57658, 82174, 91948, 115316, 164348, 5218049, 10436098, 20872196]

約数ペア:

[(1, 20872196), (2, 10436098), (4, 5218049), (127, 164348), (181, 115316), (227, 91948), (254, 82174), (362, 57658), (454, 45974), (508, 41087), (724, 28829), (908, 22987)]