20410208

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1$

素因数の和:236

約数の個数: 96

約数和(自身を含む): 50916096

約数和(自身を除く): 30505888

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 43, 52, 56, 86, 91, 104, 112, 163, 172, 182, 208, 224, 301, 326, 344, 364, 416, 559, 602, 652, 688, 728, 1118, 1141, 1204, 1304, 1376, 1456, 2119, 2236, 2282, 2408, 2608, 2912, 3913, 4238, 4472, 4564, 4816, 5216, 7009, 7826, 8476, 8944, 9128, 9632, 14018, 14833, 15652, 16952, 17888, 18256, 28036, 29666, 31304, 33904, 36512, 49063, 56072, 59332, 62608, 67808, 91117, 98126, 112144, 118664, 125216, 182234, 196252, 224288, 237328, 364468, 392504, 474656, 637819, 728936, 785008, 1275638, 1457872, 1570016, 2551276, 2915744, 5102552, 10205104, 20410208]

約数ペア:

[(1, 20410208), (2, 10205104), (4, 5102552), (7, 2915744), (8, 2551276), (13, 1570016), (14, 1457872), (16, 1275638), (26, 785008), (28, 728936), (32, 637819), (43, 474656), (52, 392504), (56, 364468), (86, 237328), (91, 224288), (104, 196252), (112, 182234), (163, 125216), (172, 118664), (182, 112144), (208, 98126), (224, 91117), (301, 67808), (326, 62608), (344, 59332), (364, 56072), (416, 49063), (559, 36512), (602, 33904), (652, 31304), (688, 29666), (728, 28036), (1118, 18256), (1141, 17888), (1204, 16952), (1304, 15652), (1376, 14833), (1456, 14018), (2119, 9632), (2236, 9128), (2282, 8944), (2408, 8476), (2608, 7826), (2912, 7009), (3913, 5216), (4238, 4816), (4472, 4564)]