20145136

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{6733}}^1$

素因数の和:6769

約数の個数: 40

約数和(自身を含む): 45090864

約数和(自身を除く): 24945728

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 34, 44, 68, 88, 136, 176, 187, 272, 374, 748, 1496, 2992, 6733, 13466, 26932, 53864, 74063, 107728, 114461, 148126, 228922, 296252, 457844, 592504, 915688, 1185008, 1259071, 1831376, 2518142, 5036284, 10072568, 20145136]

約数ペア:

[(1, 20145136), (2, 10072568), (4, 5036284), (8, 2518142), (11, 1831376), (16, 1259071), (17, 1185008), (22, 915688), (34, 592504), (44, 457844), (68, 296252), (88, 228922), (136, 148126), (176, 114461), (187, 107728), (272, 74063), (374, 53864), (748, 26932), (1496, 13466), (2992, 6733)]