20477218384

素因数分解:

$2^4\times 7^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{17401}}^1$

素因数の和:17521

約数の個数: 120

約数和(自身を含む): 49198934400

約数和(自身を除く): 28721716016

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 49, 56, 76, 79, 98, 112, 133, 152, 158, 196, 266, 304, 316, 392, 532, 553, 632, 784, 931, 1064, 1106, 1264, 1501, 1862, 2128, 2212, 3002, 3724, 3871, 4424, 6004, 7448, 7742, 8848, 10507, 12008, 14896, 15484, 17401, 21014, 24016, 30968, 34802, 42028, 61936, 69604, 73549, 84056, 121807, 139208, 147098, 168112, 243614, 278416, 294196, 330619, 487228, 588392, 661238, 852649, 974456, 1176784, 1322476, 1374679, 1705298, 1948912, 2314333, 2644952, 2749358, 3410596, 4628666, 5289904, 5498716, 6821192, 9257332, 9622753, 10997432, 13642384, 16200331, 18514664, 19245506, 21994864, 26118901, 32400662, 37029328, 38491012, 52237802, 64801324, 67359271, 76982024, 104475604, 129602648, 134718542, 153964048, 182832307, 208951208, 259205296, 269437084, 365664614, 417902416, 538874168, 731329228, 1077748336, 1279826149, 1462658456, 2559652298, 2925316912, 5119304596, 10238609192, 20477218384]

約数ペア:

[(1, 20477218384), (2, 10238609192), (4, 5119304596), (7, 2925316912), (8, 2559652298), (14, 1462658456), (16, 1279826149), (19, 1077748336), (28, 731329228), (38, 538874168), (49, 417902416), (56, 365664614), (76, 269437084), (79, 259205296), (98, 208951208), (112, 182832307), (133, 153964048), (152, 134718542), (158, 129602648), (196, 104475604), (266, 76982024), (304, 67359271), (316, 64801324), (392, 52237802), (532, 38491012), (553, 37029328), (632, 32400662), (784, 26118901), (931, 21994864), (1064, 19245506), (1106, 18514664), (1264, 16200331), (1501, 13642384), (1862, 10997432), (2128, 9622753), (2212, 9257332), (3002, 6821192), (3724, 5498716), (3871, 5289904), (4424, 4628666), (6004, 3410596), (7448, 2749358), (7742, 2644952), (8848, 2314333), (10507, 1948912), (12008, 1705298), (14896, 1374679), (15484, 1322476), (17401, 1176784), (21014, 974456), (24016, 852649), (30968, 661238), (34802, 588392), (42028, 487228), (61936, 330619), (69604, 294196), (73549, 278416), (84056, 243614), (121807, 168112), (139208, 147098)]