20654844

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:243

約数の個数: 96

約数和(自身を含む): 58329600

約数和(自身を除く): 37674756

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 29, 42, 58, 61, 84, 87, 116, 122, 139, 174, 183, 203, 244, 278, 348, 366, 406, 417, 427, 556, 609, 732, 812, 834, 854, 973, 1218, 1281, 1668, 1708, 1769, 1946, 2436, 2562, 2919, 3538, 3892, 4031, 5124, 5307, 5838, 7076, 8062, 8479, 10614, 11676, 12093, 12383, 16124, 16958, 21228, 24186, 24766, 25437, 28217, 33916, 37149, 48372, 49532, 50874, 56434, 59353, 74298, 84651, 101748, 112868, 118706, 148596, 169302, 178059, 237412, 245891, 338604, 356118, 491782, 712236, 737673, 983564, 1475346, 1721237, 2950692, 3442474, 5163711, 6884948, 10327422, 20654844]

約数ペア:

[(1, 20654844), (2, 10327422), (3, 6884948), (4, 5163711), (6, 3442474), (7, 2950692), (12, 1721237), (14, 1475346), (21, 983564), (28, 737673), (29, 712236), (42, 491782), (58, 356118), (61, 338604), (84, 245891), (87, 237412), (116, 178059), (122, 169302), (139, 148596), (174, 118706), (183, 112868), (203, 101748), (244, 84651), (278, 74298), (348, 59353), (366, 56434), (406, 50874), (417, 49532), (427, 48372), (556, 37149), (609, 33916), (732, 28217), (812, 25437), (834, 24766), (854, 24186), (973, 21228), (1218, 16958), (1281, 16124), (1668, 12383), (1708, 12093), (1769, 11676), (1946, 10614), (2436, 8479), (2562, 8062), (2919, 7076), (3538, 5838), (3892, 5307), (4031, 5124)]