20952195

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{5521}}^1$

素因数の和:5563

約数の個数: 32

約数和(自身を含む): 38168064

約数和(自身を除く): 17215869

約数列:

[1, 3, 5, 11, 15, 23, 33, 55, 69, 115, 165, 253, 345, 759, 1265, 3795, 5521, 16563, 27605, 60731, 82815, 126983, 182193, 303655, 380949, 634915, 910965, 1396813, 1904745, 4190439, 6984065, 20952195]

約数ペア:

[(1, 20952195), (3, 6984065), (5, 4190439), (11, 1904745), (15, 1396813), (23, 910965), (33, 634915), (55, 380949), (69, 303655), (115, 182193), (165, 126983), (253, 82815), (345, 60731), (759, 27605), (1265, 16563), (3795, 5521)]