20891419113

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{4004489}}^1$

素因数の和:4004576

約数の個数: 16

約数和(自身を含む): 29216759040

約数和(自身を除く): 8325339927

約数列:

[1, 3, 37, 47, 111, 141, 1739, 5217, 4004489, 12013467, 148166093, 188210983, 444498279, 564632949, 6963806371, 20891419113]

約数ペア:

[(1, 20891419113), (3, 6963806371), (37, 564632949), (47, 444498279), (111, 188210983), (141, 148166093), (1739, 12013467), (5217, 4004489)]