20733388

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{7523}}^1$

素因数の和:7593

約数の個数: 24

約数和(自身を含む): 39817008

約数和(自身を除く): 19083620

約数列:

[1, 2, 4, 13, 26, 52, 53, 106, 212, 689, 1378, 2756, 7523, 15046, 30092, 97799, 195598, 391196, 398719, 797438, 1594876, 5183347, 10366694, 20733388]

約数ペア:

[(1, 20733388), (2, 10366694), (4, 5183347), (13, 1594876), (26, 797438), (52, 398719), (53, 391196), (106, 195598), (212, 97799), (689, 30092), (1378, 15046), (2756, 7523)]