20800512

素因数分解:

$2^{10}\times 3^2\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:124

約数の個数: 132

約数和(自身を含む): 62695516

約数和(自身を除く): 41895004

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 37, 48, 61, 64, 72, 74, 96, 111, 122, 128, 144, 148, 183, 192, 222, 244, 256, 288, 296, 333, 366, 384, 444, 488, 512, 549, 576, 592, 666, 732, 768, 888, 976, 1024, 1098, 1152, 1184, 1332, 1464, 1536, 1776, 1952, 2196, 2257, 2304, 2368, 2664, 2928, 3072, 3552, 3904, 4392, 4514, 4608, 4736, 5328, 5856, 6771, 7104, 7808, 8784, 9028, 9216, 9472, 10656, 11712, 13542, 14208, 15616, 17568, 18056, 18944, 20313, 21312, 23424, 27084, 28416, 31232, 35136, 36112, 37888, 40626, 42624, 46848, 54168, 56832, 62464, 70272, 72224, 81252, 85248, 93696, 108336, 113664, 140544, 144448, 162504, 170496, 187392, 216672, 281088, 288896, 325008, 340992, 433344, 562176, 577792, 650016, 866688, 1155584, 1300032, 1733376, 2311168, 2600064, 3466752, 5200128, 6933504, 10400256, 20800512]

約数ペア:

[(1, 20800512), (2, 10400256), (3, 6933504), (4, 5200128), (6, 3466752), (8, 2600064), (9, 2311168), (12, 1733376), (16, 1300032), (18, 1155584), (24, 866688), (32, 650016), (36, 577792), (37, 562176), (48, 433344), (61, 340992), (64, 325008), (72, 288896), (74, 281088), (96, 216672), (111, 187392), (122, 170496), (128, 162504), (144, 144448), (148, 140544), (183, 113664), (192, 108336), (222, 93696), (244, 85248), (256, 81252), (288, 72224), (296, 70272), (333, 62464), (366, 56832), (384, 54168), (444, 46848), (488, 42624), (512, 40626), (549, 37888), (576, 36112), (592, 35136), (666, 31232), (732, 28416), (768, 27084), (888, 23424), (976, 21312), (1024, 20313), (1098, 18944), (1152, 18056), (1184, 17568), (1332, 15616), (1464, 14208), (1536, 13542), (1776, 11712), (1952, 10656), (2196, 9472), (2257, 9216), (2304, 9028), (2368, 8784), (2664, 7808), (2928, 7104), (3072, 6771), (3552, 5856), (3904, 5328), (4392, 4736), (4514, 4608)]