20713192

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1$

素因数の和:218

約数の個数: 64

約数和(自身を含む): 43776000

約数和(自身を除く): 23062808

約数列:

[1, 2, 4, 8, 19, 29, 37, 38, 58, 74, 76, 116, 127, 148, 152, 232, 254, 296, 508, 551, 703, 1016, 1073, 1102, 1406, 2146, 2204, 2413, 2812, 3683, 4292, 4408, 4699, 4826, 5624, 7366, 8584, 9398, 9652, 14732, 18796, 19304, 20387, 29464, 37592, 40774, 69977, 81548, 89281, 136271, 139954, 163096, 178562, 272542, 279908, 357124, 545084, 559816, 714248, 1090168, 2589149, 5178298, 10356596, 20713192]

約数ペア:

[(1, 20713192), (2, 10356596), (4, 5178298), (8, 2589149), (19, 1090168), (29, 714248), (37, 559816), (38, 545084), (58, 357124), (74, 279908), (76, 272542), (116, 178562), (127, 163096), (148, 139954), (152, 136271), (232, 89281), (254, 81548), (296, 69977), (508, 40774), (551, 37592), (703, 29464), (1016, 20387), (1073, 19304), (1102, 18796), (1406, 14732), (2146, 9652), (2204, 9398), (2413, 8584), (2812, 7366), (3683, 5624), (4292, 4826), (4408, 4699)]