20177045133

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{421}}^1\times {\mathrm{78697}}^1$

素因数の和:79157

約数の個数: 32

約数和(自身を含む): 31882133760

約数和(自身を除く): 11705088627

約数列:

[1, 3, 7, 21, 29, 87, 203, 421, 609, 1263, 2947, 8841, 12209, 36627, 78697, 85463, 236091, 256389, 550879, 1652637, 2282213, 6846639, 15975491, 33131437, 47926473, 99394311, 231920059, 695760177, 960811673, 2882435019, 6725681711, 20177045133]

約数ペア:

[(1, 20177045133), (3, 6725681711), (7, 2882435019), (21, 960811673), (29, 695760177), (87, 231920059), (203, 99394311), (421, 47926473), (609, 33131437), (1263, 15975491), (2947, 6846639), (8841, 2282213), (12209, 1652637), (36627, 550879), (78697, 256389), (85463, 236091)]