20189702403

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{875947}}^1$

素因数の和:876163

約数の個数: 24

約数和(自身を含む): 31565662128

約数和(自身を除く): 11375959725

約数列:

[1, 3, 9, 13, 39, 117, 197, 591, 1773, 2561, 7683, 23049, 875947, 2627841, 7883523, 11387311, 34161933, 102485799, 172561559, 517684677, 1553054031, 2243300267, 6729900801, 20189702403]

約数ペア:

[(1, 20189702403), (3, 6729900801), (9, 2243300267), (13, 1553054031), (39, 517684677), (117, 172561559), (197, 102485799), (591, 34161933), (1773, 11387311), (2561, 7883523), (7683, 2627841), (23049, 875947)]