20123849984

素因数分解:

$2^8\times 7^2\times {\mathrm{113}}^1\times {\mathrm{14197}}^1$

素因数の和:14340

約数の個数: 108

約数和(自身を含む): 47144146644

約数和(自身を除く): 27020296660

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 113, 128, 196, 224, 226, 256, 392, 448, 452, 784, 791, 896, 904, 1568, 1582, 1792, 1808, 3136, 3164, 3616, 5537, 6272, 6328, 7232, 11074, 12544, 12656, 14197, 14464, 22148, 25312, 28394, 28928, 44296, 50624, 56788, 88592, 99379, 101248, 113576, 177184, 198758, 202496, 227152, 354368, 397516, 454304, 695653, 708736, 795032, 908608, 1391306, 1417472, 1590064, 1604261, 1817216, 2782612, 3180128, 3208522, 3634432, 5565224, 6360256, 6417044, 11130448, 11229827, 12720512, 12834088, 22260896, 22459654, 25441024, 25668176, 44521792, 44919308, 51336352, 78608789, 89043584, 89838616, 102672704, 157217578, 178087168, 179677232, 205345408, 314435156, 359354464, 410690816, 628870312, 718708928, 1257740624, 1437417856, 2515481248, 2874835712, 5030962496, 10061924992, 20123849984]

約数ペア:

[(1, 20123849984), (2, 10061924992), (4, 5030962496), (7, 2874835712), (8, 2515481248), (14, 1437417856), (16, 1257740624), (28, 718708928), (32, 628870312), (49, 410690816), (56, 359354464), (64, 314435156), (98, 205345408), (112, 179677232), (113, 178087168), (128, 157217578), (196, 102672704), (224, 89838616), (226, 89043584), (256, 78608789), (392, 51336352), (448, 44919308), (452, 44521792), (784, 25668176), (791, 25441024), (896, 22459654), (904, 22260896), (1568, 12834088), (1582, 12720512), (1792, 11229827), (1808, 11130448), (3136, 6417044), (3164, 6360256), (3616, 5565224), (5537, 3634432), (6272, 3208522), (6328, 3180128), (7232, 2782612), (11074, 1817216), (12544, 1604261), (12656, 1590064), (14197, 1417472), (14464, 1391306), (22148, 908608), (25312, 795032), (28394, 708736), (28928, 695653), (44296, 454304), (50624, 397516), (56788, 354368), (88592, 227152), (99379, 202496), (101248, 198758), (113576, 177184)]