20558236

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{8171}}^1$

素因数の和:8229

約数の個数: 24

約数和(自身を含む): 39127536

約数和(自身を除く): 18569300

約数列:

[1, 2, 4, 17, 34, 37, 68, 74, 148, 629, 1258, 2516, 8171, 16342, 32684, 138907, 277814, 302327, 555628, 604654, 1209308, 5139559, 10279118, 20558236]

約数ペア:

[(1, 20558236), (2, 10279118), (4, 5139559), (17, 1209308), (34, 604654), (37, 555628), (68, 302327), (74, 277814), (148, 138907), (629, 32684), (1258, 16342), (2516, 8171)]