20935515

素因数分解:

$3^1\times 5^1\times {\mathrm{367}}^1\times {\mathrm{3803}}^1$

素因数の和:4178

約数の個数: 16

約数和(自身を含む): 33596928

約数和(自身を除く): 12661413

約数列:

[1, 3, 5, 15, 367, 1101, 1835, 3803, 5505, 11409, 19015, 57045, 1395701, 4187103, 6978505, 20935515]

約数ペア:

[(1, 20935515), (3, 6978505), (5, 4187103), (15, 1395701), (367, 57045), (1101, 19015), (1835, 11409), (3803, 5505)]