20279008

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{467}}^1$

素因数の和:559

約数の個数: 48

約数和(自身を含む): 42456960

約数和(自身を除く): 22177952

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 59, 92, 118, 184, 236, 368, 467, 472, 736, 934, 944, 1357, 1868, 1888, 2714, 3736, 5428, 7472, 10741, 10856, 14944, 21482, 21712, 27553, 42964, 43424, 55106, 85928, 110212, 171856, 220424, 343712, 440848, 633719, 881696, 1267438, 2534876, 5069752, 10139504, 20279008]

約数ペア:

[(1, 20279008), (2, 10139504), (4, 5069752), (8, 2534876), (16, 1267438), (23, 881696), (32, 633719), (46, 440848), (59, 343712), (92, 220424), (118, 171856), (184, 110212), (236, 85928), (368, 55106), (467, 43424), (472, 42964), (736, 27553), (934, 21712), (944, 21482), (1357, 14944), (1868, 10856), (1888, 10741), (2714, 7472), (3736, 5428)]