20436284

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{12553}}^1$

素因数の和:12605

約数の個数: 24

約数和(自身を含む): 40072368

約数和(自身を除く): 19636084

約数列:

[1, 2, 4, 11, 22, 37, 44, 74, 148, 407, 814, 1628, 12553, 25106, 50212, 138083, 276166, 464461, 552332, 928922, 1857844, 5109071, 10218142, 20436284]

約数ペア:

[(1, 20436284), (2, 10218142), (4, 5109071), (11, 1857844), (22, 928922), (37, 552332), (44, 464461), (74, 276166), (148, 138083), (407, 50212), (814, 25106), (1628, 12553)]