20349967936

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{313}}^1\times {\mathrm{421}}^1$

素因数の和:892

約数の個数: 112

約数和(自身を含む): 43081000960

約数和(自身を除く): 22731033024

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 127, 152, 254, 304, 313, 421, 508, 608, 626, 842, 1016, 1216, 1252, 1684, 2032, 2413, 2504, 3368, 4064, 4826, 5008, 5947, 6736, 7999, 8128, 9652, 10016, 11894, 13472, 15998, 19304, 20032, 23788, 26944, 31996, 38608, 39751, 47576, 53467, 63992, 77216, 79502, 95152, 106934, 127984, 131773, 154432, 159004, 190304, 213868, 255968, 263546, 318008, 380608, 427736, 511936, 527092, 636016, 755269, 855472, 1015873, 1054184, 1272032, 1510538, 1710944, 2031746, 2108368, 2503687, 2544064, 3021076, 3421888, 4063492, 4216736, 5007374, 6042152, 8126984, 8433472, 10014748, 12084304, 16253968, 16735171, 20029496, 24168608, 32507936, 33470342, 40058992, 48337216, 65015872, 66940684, 80117984, 133881368, 160235968, 267762736, 317968249, 535525472, 635936498, 1071050944, 1271872996, 2543745992, 5087491984, 10174983968, 20349967936]

約数ペア:

[(1, 20349967936), (2, 10174983968), (4, 5087491984), (8, 2543745992), (16, 1271872996), (19, 1071050944), (32, 635936498), (38, 535525472), (64, 317968249), (76, 267762736), (127, 160235968), (152, 133881368), (254, 80117984), (304, 66940684), (313, 65015872), (421, 48337216), (508, 40058992), (608, 33470342), (626, 32507936), (842, 24168608), (1016, 20029496), (1216, 16735171), (1252, 16253968), (1684, 12084304), (2032, 10014748), (2413, 8433472), (2504, 8126984), (3368, 6042152), (4064, 5007374), (4826, 4216736), (5008, 4063492), (5947, 3421888), (6736, 3021076), (7999, 2544064), (8128, 2503687), (9652, 2108368), (10016, 2031746), (11894, 1710944), (13472, 1510538), (15998, 1272032), (19304, 1054184), (20032, 1015873), (23788, 855472), (26944, 755269), (31996, 636016), (38608, 527092), (39751, 511936), (47576, 427736), (53467, 380608), (63992, 318008), (77216, 263546), (79502, 255968), (95152, 213868), (106934, 190304), (127984, 159004), (131773, 154432)]