20693292056

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{157}}^1\times {\mathrm{163}}^1\times {\mathrm{1657}}^1$

素因数の和:2044

約数の個数: 64

約数和(自身を含む): 39954749280

約数和(自身を除く): 19261457224

約数列:

[1, 2, 4, 8, 61, 122, 157, 163, 244, 314, 326, 488, 628, 652, 1256, 1304, 1657, 3314, 6628, 9577, 9943, 13256, 19154, 19886, 25591, 38308, 39772, 51182, 76616, 79544, 101077, 102364, 202154, 204728, 260149, 270091, 404308, 520298, 540182, 808616, 1040596, 1080364, 1561051, 2081192, 2160728, 3122102, 6244204, 12488408, 15869089, 16475551, 31738178, 32951102, 42404287, 63476356, 65902204, 84808574, 126952712, 131804408, 169617148, 339234296, 2586661507, 5173323014, 10346646028, 20693292056]

約数ペア:

[(1, 20693292056), (2, 10346646028), (4, 5173323014), (8, 2586661507), (61, 339234296), (122, 169617148), (157, 131804408), (163, 126952712), (244, 84808574), (314, 65902204), (326, 63476356), (488, 42404287), (628, 32951102), (652, 31738178), (1256, 16475551), (1304, 15869089), (1657, 12488408), (3314, 6244204), (6628, 3122102), (9577, 2160728), (9943, 2081192), (13256, 1561051), (19154, 1080364), (19886, 1040596), (25591, 808616), (38308, 540182), (39772, 520298), (51182, 404308), (76616, 270091), (79544, 260149), (101077, 204728), (102364, 202154)]