20459793664

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{2578099}}^1$

素因数の和:2578146

約数の個数: 36

約数和(自身を含む): 42157091200

約数和(自身を除く): 21697297536

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 992, 1984, 3968, 7936, 2578099, 5156198, 10312396, 20624792, 41249584, 79921069, 82499168, 159842138, 164998336, 319684276, 329996672, 639368552, 659993344, 1278737104, 2557474208, 5114948416, 10229896832, 20459793664]

約数ペア:

[(1, 20459793664), (2, 10229896832), (4, 5114948416), (8, 2557474208), (16, 1278737104), (31, 659993344), (32, 639368552), (62, 329996672), (64, 319684276), (124, 164998336), (128, 159842138), (248, 82499168), (256, 79921069), (496, 41249584), (992, 20624792), (1984, 10312396), (3968, 5156198), (7936, 2578099)]