20176960688

素因数分解:

$2^4\times {\mathrm{97}}^2\times {\mathrm{101}}^1\times {\mathrm{1327}}^1$

素因数の和:1630

約数の個数: 60

約数和(自身を含む): 39921185952

約数和(自身を除く): 19744225264

約数列:

[1, 2, 4, 8, 16, 97, 101, 194, 202, 388, 404, 776, 808, 1327, 1552, 1616, 2654, 5308, 9409, 9797, 10616, 18818, 19594, 21232, 37636, 39188, 75272, 78376, 128719, 134027, 150544, 156752, 257438, 268054, 514876, 536108, 950309, 1029752, 1072216, 1900618, 2059504, 2144432, 3801236, 7602472, 12485743, 13000619, 15204944, 24971486, 26001238, 49942972, 52002476, 99885944, 104004952, 199771888, 208009904, 1261060043, 2522120086, 5044240172, 10088480344, 20176960688]

約数ペア:

[(1, 20176960688), (2, 10088480344), (4, 5044240172), (8, 2522120086), (16, 1261060043), (97, 208009904), (101, 199771888), (194, 104004952), (202, 99885944), (388, 52002476), (404, 49942972), (776, 26001238), (808, 24971486), (1327, 15204944), (1552, 13000619), (1616, 12485743), (2654, 7602472), (5308, 3801236), (9409, 2144432), (9797, 2059504), (10616, 1900618), (18818, 1072216), (19594, 1029752), (21232, 950309), (37636, 536108), (39188, 514876), (75272, 268054), (78376, 257438), (128719, 156752), (134027, 150544)]