20199089515

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{373}}^1\times {\mathrm{16141}}^1$

素因数の和:16591

約数の個数: 32

約数和(自身を含む): 26949650112

約数和(自身を除く): 6750560597

約数列:

[1, 5, 11, 55, 61, 305, 373, 671, 1865, 3355, 4103, 16141, 20515, 22753, 80705, 113765, 177551, 250283, 887755, 984601, 1251415, 4923005, 6020593, 10830611, 30102965, 54153055, 66226523, 331132615, 367256173, 1836280865, 4039817903, 20199089515]

約数ペア:

[(1, 20199089515), (5, 4039817903), (11, 1836280865), (55, 367256173), (61, 331132615), (305, 66226523), (373, 54153055), (671, 30102965), (1865, 10830611), (3355, 6020593), (4103, 4923005), (16141, 1251415), (20515, 984601), (22753, 887755), (80705, 250283), (113765, 177551)]