20161218704

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{643}}^1\times {\mathrm{2659}}^1$

素因数の和:3388

約数の個数: 80

約数和(自身を含む): 43333059840

約数和(自身を除く): 23171841136

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 67, 88, 134, 176, 268, 536, 643, 737, 1072, 1286, 1474, 2572, 2659, 2948, 5144, 5318, 5896, 7073, 10288, 10636, 11792, 14146, 21272, 28292, 29249, 42544, 43081, 56584, 58498, 86162, 113168, 116996, 172324, 178153, 233992, 344648, 356306, 467984, 473891, 689296, 712612, 947782, 1425224, 1709737, 1895564, 1959683, 2850448, 3419474, 3791128, 3919366, 6838948, 7582256, 7838732, 13677896, 15677464, 18807107, 27355792, 31354928, 37614214, 75228428, 114552379, 150456856, 229104758, 300913712, 458209516, 916419032, 1260076169, 1832838064, 2520152338, 5040304676, 10080609352, 20161218704]

約数ペア:

[(1, 20161218704), (2, 10080609352), (4, 5040304676), (8, 2520152338), (11, 1832838064), (16, 1260076169), (22, 916419032), (44, 458209516), (67, 300913712), (88, 229104758), (134, 150456856), (176, 114552379), (268, 75228428), (536, 37614214), (643, 31354928), (737, 27355792), (1072, 18807107), (1286, 15677464), (1474, 13677896), (2572, 7838732), (2659, 7582256), (2948, 6838948), (5144, 3919366), (5318, 3791128), (5896, 3419474), (7073, 2850448), (10288, 1959683), (10636, 1895564), (11792, 1709737), (14146, 1425224), (21272, 947782), (28292, 712612), (29249, 689296), (42544, 473891), (43081, 467984), (56584, 356306), (58498, 344648), (86162, 233992), (113168, 178153), (116996, 172324)]