20448219

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{929}}^1$

素因数の和:995

約数の個数: 32

約数和(自身を含む): 32140800

約数和(自身を除く): 11692581

約数列:

[1, 3, 11, 23, 29, 33, 69, 87, 253, 319, 667, 759, 929, 957, 2001, 2787, 7337, 10219, 21367, 22011, 26941, 30657, 64101, 80823, 235037, 296351, 619643, 705111, 889053, 1858929, 6816073, 20448219]

約数ペア:

[(1, 20448219), (3, 6816073), (11, 1858929), (23, 889053), (29, 705111), (33, 619643), (69, 296351), (87, 235037), (253, 80823), (319, 64101), (667, 30657), (759, 26941), (929, 22011), (957, 21367), (2001, 10219), (2787, 7337)]