20178378327

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{1049}}^1\times {\mathrm{377173}}^1$

素因数の和:378242

約数の個数: 16

約数和(自身を含む): 28514354400

約数和(自身を除く): 8335976073

約数列:

[1, 3, 17, 51, 1049, 3147, 17833, 53499, 377173, 1131519, 6411941, 19235823, 395654477, 1186963431, 6726126109, 20178378327]

約数ペア:

[(1, 20178378327), (3, 6726126109), (17, 1186963431), (51, 395654477), (1049, 19235823), (3147, 6411941), (17833, 1131519), (53499, 377173)]