20266644041

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1\times {\mathrm{617}}^1\times {\mathrm{661}}^1$

素因数の和:1545

約数の個数: 32

約数和(自身を含む): 24088750080

約数和(自身を除く): 3822106039

約数列:

[1, 7, 31, 217, 229, 617, 661, 1603, 4319, 4627, 7099, 19127, 20491, 49693, 133889, 141293, 143437, 151369, 407837, 989051, 1059583, 2854859, 4380083, 4692439, 12642947, 30660581, 32847073, 88500629, 93394673, 653762711, 2895234863, 20266644041]

約数ペア:

[(1, 20266644041), (7, 2895234863), (31, 653762711), (217, 93394673), (229, 88500629), (617, 32847073), (661, 30660581), (1603, 12642947), (4319, 4692439), (4627, 4380083), (7099, 2854859), (19127, 1059583), (20491, 989051), (49693, 407837), (133889, 151369), (141293, 143437)]