20164515872

素因数分解:

$2^5\times {\mathrm{101}}^1\times {\mathrm{647}}^1\times {\mathrm{9643}}^1$

素因数の和:10401

約数の個数: 48

約数和(自身を含む): 40158078912

約数和(自身を除く): 19993563040

約数列:

[1, 2, 4, 8, 16, 32, 101, 202, 404, 647, 808, 1294, 1616, 2588, 3232, 5176, 9643, 10352, 19286, 20704, 38572, 65347, 77144, 130694, 154288, 261388, 308576, 522776, 973943, 1045552, 1947886, 2091104, 3895772, 6239021, 7791544, 12478042, 15583088, 24956084, 31166176, 49912168, 99824336, 199648672, 630141121, 1260282242, 2520564484, 5041128968, 10082257936, 20164515872]

約数ペア:

[(1, 20164515872), (2, 10082257936), (4, 5041128968), (8, 2520564484), (16, 1260282242), (32, 630141121), (101, 199648672), (202, 99824336), (404, 49912168), (647, 31166176), (808, 24956084), (1294, 15583088), (1616, 12478042), (2588, 7791544), (3232, 6239021), (5176, 3895772), (9643, 2091104), (10352, 1947886), (19286, 1045552), (20704, 973943), (38572, 522776), (65347, 308576), (77144, 261388), (130694, 154288)]