20738712

素因数分解:

$2^3\times 3^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{359}}^1$

素因数の和:480

約数の個数: 64

約数和(自身を含む): 54432000

約数和(自身を除く): 33693288

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 29, 58, 83, 87, 116, 166, 174, 232, 249, 332, 348, 359, 498, 664, 696, 718, 996, 1077, 1436, 1992, 2154, 2407, 2872, 4308, 4814, 7221, 8616, 9628, 10411, 14442, 19256, 20822, 28884, 29797, 31233, 41644, 57768, 59594, 62466, 83288, 89391, 119188, 124932, 178782, 238376, 249864, 357564, 715128, 864113, 1728226, 2592339, 3456452, 5184678, 6912904, 10369356, 20738712]

約数ペア:

[(1, 20738712), (2, 10369356), (3, 6912904), (4, 5184678), (6, 3456452), (8, 2592339), (12, 1728226), (24, 864113), (29, 715128), (58, 357564), (83, 249864), (87, 238376), (116, 178782), (166, 124932), (174, 119188), (232, 89391), (249, 83288), (332, 62466), (348, 59594), (359, 57768), (498, 41644), (664, 31233), (696, 29797), (718, 28884), (996, 20822), (1077, 19256), (1436, 14442), (1992, 10411), (2154, 9628), (2407, 8616), (2872, 7221), (4308, 4814)]