20123944

素因数分解:

$2^3\times {\mathrm{113}}^2\times {\mathrm{197}}^1$

素因数の和:429

約数の個数: 24

約数和(自身を含む): 38262510

約数和(自身を除く): 18138566

約数列:

[1, 2, 4, 8, 113, 197, 226, 394, 452, 788, 904, 1576, 12769, 22261, 25538, 44522, 51076, 89044, 102152, 178088, 2515493, 5030986, 10061972, 20123944]

約数ペア:

[(1, 20123944), (2, 10061972), (4, 5030986), (8, 2515493), (113, 178088), (197, 102152), (226, 89044), (394, 51076), (452, 44522), (788, 25538), (904, 22261), (1576, 12769)]