20722845

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{9661}}^1$

素因数の和:9693

約数の個数: 32

約数和(自身を含む): 38957184

約数和(自身を除く): 18234339

約数列:

[1, 3, 5, 11, 13, 15, 33, 39, 55, 65, 143, 165, 195, 429, 715, 2145, 9661, 28983, 48305, 106271, 125593, 144915, 318813, 376779, 531355, 627965, 1381523, 1594065, 1883895, 4144569, 6907615, 20722845]

約数ペア:

[(1, 20722845), (3, 6907615), (5, 4144569), (11, 1883895), (13, 1594065), (15, 1381523), (33, 627965), (39, 531355), (55, 376779), (65, 318813), (143, 144915), (165, 125593), (195, 106271), (429, 48305), (715, 28983), (2145, 9661)]