20233480

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{337}}^1$

素因数の和:446

約数の個数: 64

約数和(自身を含む): 48672000

約数和(自身を除く): 28438520

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 79, 95, 152, 158, 190, 316, 337, 380, 395, 632, 674, 760, 790, 1348, 1501, 1580, 1685, 2696, 3002, 3160, 3370, 6004, 6403, 6740, 7505, 12008, 12806, 13480, 15010, 25612, 26623, 30020, 32015, 51224, 53246, 60040, 64030, 106492, 128060, 133115, 212984, 256120, 266230, 505837, 532460, 1011674, 1064920, 2023348, 2529185, 4046696, 5058370, 10116740, 20233480]

約数ペア:

[(1, 20233480), (2, 10116740), (4, 5058370), (5, 4046696), (8, 2529185), (10, 2023348), (19, 1064920), (20, 1011674), (38, 532460), (40, 505837), (76, 266230), (79, 256120), (95, 212984), (152, 133115), (158, 128060), (190, 106492), (316, 64030), (337, 60040), (380, 53246), (395, 51224), (632, 32015), (674, 30020), (760, 26623), (790, 25612), (1348, 15010), (1501, 13480), (1580, 12806), (1685, 12008), (2696, 7505), (3002, 6740), (3160, 6403), (3370, 6004)]