20996870482

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^2\times {\mathrm{293}}^1\times {\mathrm{3739}}^1$

素因数の和:4115

約数の個数: 48

約数和(自身を含む): 37129942080

約数和(自身を除く): 16133071598

約数列:

[1, 2, 7, 14, 37, 74, 259, 293, 518, 586, 1369, 2051, 2738, 3739, 4102, 7478, 9583, 10841, 19166, 21682, 26173, 52346, 75887, 138343, 151774, 276686, 401117, 802234, 968401, 1095527, 1936802, 2191054, 2807819, 5118691, 5615638, 7668689, 10237382, 15337378, 35830837, 40534499, 71661674, 81068998, 283741493, 567482986, 1499776463, 2999552926, 10498435241, 20996870482]

約数ペア:

[(1, 20996870482), (2, 10498435241), (7, 2999552926), (14, 1499776463), (37, 567482986), (74, 283741493), (259, 81068998), (293, 71661674), (518, 40534499), (586, 35830837), (1369, 15337378), (2051, 10237382), (2738, 7668689), (3739, 5615638), (4102, 5118691), (7478, 2807819), (9583, 2191054), (10841, 1936802), (19166, 1095527), (21682, 968401), (26173, 802234), (52346, 401117), (75887, 276686), (138343, 151774)]