20752215

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{727}}^1$

素因数の和:919

約数の個数: 32

約数和(自身を含む): 36481536

約数和(自身を除く): 15729321

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 173, 519, 727, 865, 1903, 2181, 2595, 3635, 5709, 7997, 9515, 10905, 23991, 28545, 39985, 119955, 125771, 377313, 628855, 1383481, 1886565, 4150443, 6917405, 20752215]

約数ペア:

[(1, 20752215), (3, 6917405), (5, 4150443), (11, 1886565), (15, 1383481), (33, 628855), (55, 377313), (165, 125771), (173, 119955), (519, 39985), (727, 28545), (865, 23991), (1903, 10905), (2181, 9515), (2595, 7997), (3635, 5709)]