20155589036

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{157}}^1\times {\mathrm{265247}}^1$

素因数の和:265430

約数の個数: 36

約数和(自身を含む): 39017450304

約数和(自身を除く): 18861861268

約数列:

[1, 2, 4, 11, 22, 44, 121, 157, 242, 314, 484, 628, 1727, 3454, 6908, 18997, 37994, 75988, 265247, 530494, 1060988, 2917717, 5835434, 11670868, 32094887, 41643779, 64189774, 83287558, 128379548, 166575116, 458081569, 916163138, 1832326276, 5038897259, 10077794518, 20155589036]

約数ペア:

[(1, 20155589036), (2, 10077794518), (4, 5038897259), (11, 1832326276), (22, 916163138), (44, 458081569), (121, 166575116), (157, 128379548), (242, 83287558), (314, 64189774), (484, 41643779), (628, 32094887), (1727, 11670868), (3454, 5835434), (6908, 2917717), (18997, 1060988), (37994, 530494), (75988, 265247)]